U.S. PATENT AND TRADEMARK OFFICE
Information Products Division |
U.S. Patent Classification System - Classification Definitions
as of June 30, 2000
Patents classified in a subclass may be accessed by either clicking on
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For classification search strategies, please refer to the
Classification Index
Explanation of Data web page.
(definitions have been obtained from the
Patents ASSIST CD-ROM which
is produced by the U.S. Patent and Trademark Office
Electronic Products Branch)
Class 528
SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520
SERIES
Class Definition:
Class 528 provides for all processes of preparing polymers
from reactants wherein at least one reactant is devoid of
ethylenic unsaturation. In addition, Class 528 provides for
processes of removing contaminates or undesirable materials
from a polymer, for processes of physically treating
polymer-material, or for processes of chemically modifying a
polymer without the addition of any extraneous material.
LINES WITH OTHER CLASSES AND WITHIN THIS CLASS
Listed below are rules to be followed in (1) placing patents
into Class 528 and in (2) determining the appropriate
subclasses to be searched in Class 528.
A. Classification in Class 528, subclasses 1-425 is on the
basis of the reactants utilized. Some general rules to be
followed in determining such reactants are as follows:
Process claim recites preparing an intermediate which is then
reacted in a further step in preparing an additional
intermediate
A + BC (Intermediate)
C (Intermediate) + D solid final product.
In this case, the reactants are A, B, and D. If reactant D is
first appearing in the schedule array, there is no necessary
cross-referencing to A, B, or to the intermediate C; however,
if A or B is first appearing then a cross-reference should be
placed in the subclass providing for C.
B. Process claim starts with intermediate C (i.e., no
positive preparation step claimed for intermediate C).
Reaction calls for C (Intermediate) + D solid final product.
In this case, reactants are C and D and classification is
on the basis of the first reactant appearing in the schedule
array. See (M) for classification of an intermediate
condensation product.
C. Patentee claims polymer C. Examiner or searcher must look
to the disclosure to see reactants utilized.
D. A liquid polymer which is exposed to an after treatment
step is classified as a reactant.
E. When the claims and disclosures are silent as to whether
the polymer treated is a liquid or solid, the polymeric
material is to be regarded as a liquid and therefore as a
reactant.
F. When the claims are silent as to whether the polymer
prepared is a solid or liquid and the disclosure is
alternative, disclosing both solid and liquid materials,
original classification is on the basis of general rules of
schedule hierarchy and the alternative species is mandatorily
cross-referenced.
G. When the claims are drawn to alternative claimed subject
matter involving solid and liquid polymers, original
classification is appropriate on the basis of general rules
of schedule hierarchy and the alternative species is
mandatorily cross-referenced.
H. Where there are generic claims presented (i.e.,
alternative)as well as species claims such species claims
will generally control for classification purposes over the
generic presented claims.
I. Markush claims of A or B are regarded as individual
species and classification is appropriate on the basis of
general rules of schedule hierarchy.
J. Claims which are drawn to an intermediate condensation
product as a reactant wherein applicant alleges indefinite
structure for the condensation product, are classified on the
basis of the reactants utilized in preparing the intermediate
condensation product.
Urea-formaldehyde, phenol-formaldehyde, and methylol melamine
are considered as being indefinite materials and are
classified as urea + formaldehyde, phenol + formaldehyde, and
melamine + formaldehyde.
The reaction of a urea-formaldehyde condensation material +
melamine product to yield product is C is classified on the
basis of either urea, formaldehyde, or melamine, depending
upon which is the first-appearing reactant provided in the
schedule array.
If, however, the intermediate condensation product is of such
definiteness as to be definable by applicant as a chemical
compound, e.g., ester, polyester, polyether, polyamide, etc.,
such intermediate will be viewed as a compound and classified
accordingly. An example of the aforementioned concept is as
follows: Applicant starts with a (C) polyester prepared by
reacting A + B. (C)polyester + isocyanate (D)---polymer (E).
Reactants are C and D and claim is cross-referenced to A and
B if desired. If applicant identifies the final reactant
product only in terms of the reactants necessary to produce
such reactant product (e.g., urea-formaldehyde, etc.)
classification is to be made on the basis of the reactants
recited.
K. In all cases where doubt exists as to whether a material
that is present during a reaction is a reactant or a
nonreactant (i.e., specified material) such doubt has been
resolved by looking at the material as if it were a
reactant.
L. Applicants' statements as to functions of materials
(e.g., catalyst, reactant, solvent, etc.) are to be taken
literally and to be followed. An exception to the preceding
rule is in those subclasses where specified rules are
enumerated. If the Examiner has any doubts as to statements
of functions, such doubts can be resolved by adequate cross-
referencing. A specific exception to the rule enumerated
above regarding applicants' statements is the question as to
whether a material is a solid resin for the particular
chemical modification subclasses which are provided in the
schedule. In those cases where the claims are silent, the
Examiner may resolve the question by looking at the total
disclosure of the patent.
M. Classification into subclasses 1-425 is primarily on the
basis of reactant utilized. It is possible, however, that
polymeric products which may be identical in structure may be
prepared from different reactants, and that these reactant
may not be claimed or disclosed in the patent being
classified. In those instances where a product is claimed
which the Examiner believes may be formed from reactants
which are not disclosed in the patent at hand, an optional
cross-reference into the nonclaimed or disclosed reactant
area may be highly desirable and appropriate.
The following rules apply in classifying a claim into Class
528 in those subclasses of the schedule which provide for
processes (i.e., in specified material areas).
A. Patents that claim a product and process, wherein both
the product and the process are specifically provided for in
the schedule, are classified in the process area and
cross-referenced to the product area.
B. Patents that claim both a provided for product and a
process of polymerizing, and wherein the product is claimed
in process terms, are classified on the basis of the process
and cross-referenced to the first-appearing reactant in the
schedule utilized in preparing the polymer.
C. Patents that claim a product solely in process terms are
classified on the basis of the process, when said process is
provided in the schedule and cross-referenced to the
first-appearing reactant in the schedule utilized in
preparing the polymer.
D. Patents that claim a product in process terms, and
wherein the process is not provided, are classified on the
basis of the first-appearing reactant in the schedule
utilized in preparing the polymer.
E. Patents that claim a polymerizable composition or the
preparation of a polymerizable composition are classified on
the basis of the first-appearing reactant in the schedule
that is part of the polymerizable composition.
F. Patents that claim a polymer only are classified on the
basis of the first-appearing reactant in the schedule that
has been used in preparing the polymer.
G. Patents that claim merely vulcanizing, curing, or
cross-linking or a polymer proper for this area, without the
presence of a specified vulcanizing, curing, or cross-linking
agent, or the amount of the chemical agent or the vulcanized,
cured, or cross-linked product of such a reaction are
classified on the basis of the first-appearing reactant in
the schedule that has been polymerized in the preparing the
polymer.
H. Patents that claim a polymer which is the result of a
degradation of a polymer proper for this area, and wherein
the degradation has been effected in the absence of any
chemical agent, are classified on the basis of the initial
first-appearing reactant in the schedule that has been
polymerized in preparing the previously formed polymer that
is degraded.
I. This class provides for a composition of a polymer proper
for this class admixed with a broadly claimed nonreactant not
identifiable by a chemical atom or amount; or for a process
of preparing a composition wherein the nonreactant material
is not identified by a chemical atom or amount and wherein
the process of forming the composition recites no process
condition other than mere polymerizing. (See Class 523,
section I of the Class Definition, for a discussion of
nonreactant materials and designated nonreactant materials.)
REFERENCES TO OTHER CLASSES
SEE OR SEARCH CLASS:
525, Synthetic Resins or Natural Rubbers, subclasses 242+
for products resulting from, or involving a polymer proper
for this class reacted with an ethylenically unsaturated
reactant.
GLOSSARY:
REACTANT
A reactant for purposes of this Class is a material which
occurs in a polymer as a repeating unit and is present in at
least three units. As used herein, reactant is meant to
exclude catalyst residues, chain transfer agents, etc.
WITH
For purposes of this class, the term "with" under a specific
reactant subclass requires the presence of the specific
reactant with a different reactant which meets the parameters
set forth by the "with" definition.
CONTAINS
For purposes of this class, the term "contains" under a
specific reactant subclass includes the term "with" and
merely requires the presence of the "contains" material. The
required moiety, element, etc., may be in the specific
reactant or in an additional reactant.
SUBCLASSES
Subclass:
1
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
plant-containing material of unknown constitution or
processes of polymerizing; polymerizable compositions
containing a plant material of unknown composition or
processes of preparing.
(1) Note. The types of plant materials which are proper for
this subclass are those whose composition and constitution
are not sufficiently determined to enable their
classification in the later subclasses on the basis of a
particular reactant(s).
(2) Note. Types of materials included herein are nut shell
liquors and essential oils. This subclass includes cashew
nut shell liquor containing unseparated anacardic acid or
Cardanol.
(3) Note. This subclass includes derivatives of plant
materials which are undefinable as to chemical identity.
(4) Note. Materials which are substantially known as to
chemical composition are excluded from this subclass or
indents hereunder and are classified below in the schedule on
the basis of the first specific reactant which is part of the
chemical composition. If in any claim, any doubt exists as
to whether a composition is of sufficient chemical identity
so as to be classified as a specific reactant, then such
doubt is to be resolved by classifying the claim as an
original in this area and cross-referenced to the appropriate
reactant subclass.
(5) Note. A chemical agent for purposes of this subclass is
material which is added to solid polymer and causes or is
present during a process wherein a chemical change of the
solid polymer is effected.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 86+ for Cardanol, anacardic acid or derivative,
tannins, or tannic acid, cresylic acid, or coal tar extracts
as reactants.
Subclass:
2
This subclass is indented under subclass 1. Subject matter
wherein material derived from a cashew plant and a
sulfur-containing material are reactants.
Subclass:
3
This subclass is indented under subclass 1. Subject matter
wherein material derived from a cashew plant and an aldehyde
or derivative are reactants.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of the terms "aldehyde".
Subclass:
4
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymer products derived from
a boron-containing reactant wherein at least one atom of
boron is bonded directly to a hydrogen or carbon atom or
processes of polymerizing; polymerizable compositions
containing as a reactant a compound of boron wherein boron is
directly bonded to an atom of hydrogen or carbon or processes
of preparing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
526, Synthetic Resins or Natural Rubber, subclass 239 for a
polymer derived from a boron-containing ethylenic reactant as
sole monomer, or for a boron-containing interpolymer wherein
all of the reactants used in preparing the polymer are
ethylenically unsaturated.
Subclass:
5
This subclass is indented under subclass 4. Subject matter
wherein the boron-containing reactant having a or
bond also contains a silicon atom.
Subclass:
6
This subclass is indented under subclass 4. Subject matter
wherein the boron-containing reactant having a or bond
also contains a phosphorus atom.
Subclass:
7
This subclass is indented under subclass 4. Subject matter
wherein the boron-containing reactant having a or bond
also contains a nitrogen atom.
Subclass:
8
This subclass is indented under subclass 4. Subject matter
wherein the boron-containing reactant having a or bond also
contains at least one atom of oxygen directly bonded to the
boron atom of the or containing moiety.
Subclass:
9
This subclass is indented under subclass 1. Subject matter
under Class 520, ..., involving polymer products derived from
a heavy metal or aluminum-containing reactant wherein at
least one atom of a heavy metal or aluminum is bonded
directly to an atom of hydrogen or carbon or processes of
polymerizing; polymerizable compositions containing as a
reactant a compound of a heavy metal or aluminum wherein the
heavy metal or aluminum atom is directly bonded to a hydrogen
or carbon atom or processes of preparing.
(1) Note. Heavy metal denotes a metal atom having a specific
gravity greater than four.
SEE OR SEARCH THIS CLASS, SUBCLASS:
395 for a polymer derived from a heavy metal-or
aluminum-containing reactant.
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
526, Synthetic Resins or Natural Rubbers, subclasses 240+
for a polymer derived from a metal-containing ethylenic
reactant as sole monomer or for a metal-containing
interpolymer wherein all of the reactants used in preparing
the polymer are ethylenically unsaturated.
Subclass:
10
This subclass is indented under subclass 1. Subject matter
under Class 520, ..., involving polymer products derived from
a silicon-containing reactant wherein at least one atom of
silicon is bonded directly to an atom of hydrogen or carbon
or processes of polymerizing; polymerizable compositions
containing as a reactant a compound of silicon wherein a
silicon atom is directly bonded to a hydrogen or carbon atom
or processes of preparing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
526, Synthetic Resins or Natural Rubber, subclass 279 for a
polymer derived from a silicon-containing ethylenic reactant
as sole monomer or for a silicon-containing inter-polymer
wherein all of the reactants used in preparing the polymer
are ethylenically unsaturated.
Subclass:
12
This subclass is indented under subclass 10. Subject matter
wherein a R3SiH or R3Si-CR3 reactant is polymerized in the
presence of a specified material.
(1) Note. Silicones or polysiloxanes defined by the formula
RnSiO wherein R is C or H are considered to be polymers and
are proper for this area.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 33+ for organopolysiloxane used as reactants.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
13
This subclass is indented under subclass 12. Subject matter
wherein the specified material is elemental boron or a
boron-containing compound.
Subclass:
14
This subclass is indented under subclass 12. Subject matter
wherein the specified material is an elemental metal or
metal-containing compound.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "metals".
Subclass:
15
This subclass is indented under subclass 14. Subject matter
wherein the metal atom is a Group VIII metal atom (i.e., Fe,
Co, Ni, Ru, Pd, Os, Ir, Pt, Rh).
Subclass:
16
This subclass is indented under subclass 14. Subject matter
wherein the specified material contains a Group IIIA metal
atom in elemental or compound form, i.e., Al, Ga, In, Ti.
Subclass:
17
This subclass is indented under subclass 14. Subject matter
wherein the specified material contains a Group IVB metal
atom in elemental or compound form, i.e., Ti, Zr, Hf.
Subclass:
18
This subclass is indented under subclass 14. Subject matter
wherein the specified material contains a Group IVA metal
atom in elemental or compound form, i.e., Ge, Sn, Pb.
Subclass:
19
This subclass is indented under subclass 14. Subject matter
wherein the specified material contains a heavy metal atom in
elemental or compound form.
(1) Note. Heavy metal denotes a metal atom having a specific
gravity greater than four.
Subclass:
20
This subclass is indented under subclass 12. Subject matter
wherein the specified material contains an ether, alcohol, or
salt thereof.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the terms "ether" and "alcohol".
Subclass:
21
This subclass is indented under subclass 12. Subject matter
wherein the specified material is a nitrogen-containing
compound.
Subclass:
22
This subclass is indented under subclass 21. Subject matter
wherein silicon and nitrogen are part of the same compound.
Subclass:
23
This subclass is indented under subclass 12. Subject matter
wherein the specified material contains at least one atom of
phosphorus or sulfur.
Subclass:
24
This subclass is indented under subclass 12. Subject matter
wherein the specified material contains a compound having at
least one -O-O (peroxy) group.
Subclass:
25
This subclass is indented under subclass 10. Subject matter
wherein a polymer has been derived from at least one or
containing material and at least one reactant which is an
organic compound and which organic compound is devoid of any
silicon atom.
(1) Note. This subclass, for example, would include the
reaction between two or containing reactants and at least one
organic silicon-free reactant.
Subclass:
26
This subclass is indented under subclass 25. Subject matter
wherein at least one silicon-free organic reactant contains a
carboxylic acid group or is a derivative thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
520 Synthetic Resins or Natural Rubbers, see the Glossary for
a definition of the term "carboxylic acid or derivative".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "carboxylic acid or
derivative".
Subclass:
26.5
Reactant which is a fatty acid glycerol ester, a fatty acid
or salt derived from a naturally occurring glyceride, tall
oil, or a fatty acid derived from tall oil:
This subclass is indented under subclass 26. Subject matter
wherein said silicon-free reactant is a fatty acid glycerol
ester, a fatty acid or salt derived from a naturally
occurring glyceride, tall oil, or a fatty acid derived from
tall oil.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the definition
of "fatty acid" in the Glossary for discussion of terms used
herein.
Subclass:
27
This subclass is indented under subclass 25. Subject matter
wherein at least one silicon-free organic reactant contains a
heterocyclic ring.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
28
This subclass is indented under subclass 25. Subject matter
wherein at least one silicon-free organic reactant is a
nitrogen-containing compound.
Subclass:
29
This subclass is indented under subclass 25. Subject matter
wherein at least one silicon-free organic reactant is an
alcohol or alcoholate thereof.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "alcohol".
Subclass:
30
This subclass is indented under subclass 10. Subject matter
wherein at least one or containing reactant having a
polyvalent atom which is other than carbon, oxygen, or
nitrogen (e.g., sulfur, phosphorus, etc.).
Subclass:
31
This subclass is indented under subclass 10. Subject matter
wherein the silicon-containing reactant possesses at least
one bond.
Subclass:
32
This subclass is indented under subclass 10. Subject matter
wherein the containing reactant possesses at least one
ethylenically unsaturated group.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
526, Synthetic Resins or Natural Rubbers, subclass 279 for a
polymer derived from an ethylenically unsaturated
silicon-containing reactant as sole monomer or for a
silicon-containing interpolymer wherein all of the reactants
used in preparing the polymer are ethylenically unsaturated.
Subclass:
33
This subclass is indented under subclass 10. Subject matter
wherein a containing reactant possesses at least two silicon
atoms.
Subclass:
34
This subclass is indented under subclass 33. Subject matter
wherein a containing compound possessing at least two silicon
atoms is reacted with a silicon compound containing a single
silicon atom.
Subclass:
35
This subclass is indented under subclass 33. Subject matter
wherein at least two silicon atoms of a containing compound
are joined by a single carbon atom, by a carbon chain, or by
a chain composed only of carbon and oxygen atoms.
Subclass:
36
This subclass is indented under subclass 33. Subject matter
wherein a containing compound with at least two silicon
atoms contains a carbon-to-halogen bond and which carbon atom
is not double bonded to an oxygen atom.
Subclass:
37
This subclass is indented under subclass 33. Subject matter
wherein a containing compound possesses at least two silicon
atoms with at least one silicon atom as ring member of a
nonhetero-cyclic ring (e.g., cyclic trisiloxane, etc.).
SEE OR SEARCH THIS CLASS, SUBCLASS:
35 for a cyclic silicon reactant wherein two or more silicon
atoms in the ring are joined by carbon atoms.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
38
This subclass is indented under subclass 10. Subject matter
wherein the containing reactant possesses at least one
amino-nitrogen atom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
41 for a nitrogen-containing and -Si-C- containing reactant
wherein the nitrogen atom exists solely therein either as a
carboxylic acid amide or as a carboxylic acid nitrile,
(-C=N).
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "amine".
Subclass:
39
This subclass is indented under subclass 10. Subject matter
wherein a containing material is reacted with at least one
silicon compound which is devoid of any bond (e.g., SiCl4,
Si(OR)4, etc.).
SEE OR SEARCH THIS CLASS, SUBCLASS:
31 for the interaction of a Si-H containing compound and a
silicon compound which is devoid of any silicon-carbon bond.
Subclass:
40
This subclass is indented under subclass 10. Subject matter
wherein a containing compound contains at least one fused or
bridged ring system or contains at least one ring composed
solely of carbon atoms which is nonaromatic.
(1) Note. A bridged or fused ring system for purposes of
this subclass requires that a given ring system be attached
at two different nuclear atoms of its system to an atom or
chain of atoms which, taken together with the two nuclear
atoms, forms an additional ring structure.
Subclass:
41
This subclass is indented under subclass 10. Subject matter
wherein the containing reactant contains at least one
carboxylic acid group or is a derivative thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
271 for an additional definition the "carboxylic acid".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "carboxylic acid or
derivative".
Subclass:
42
This subclass is indented under subclass 10. Subject matter
wherein the containing compound possesses a carbon-to-halogen
bond and which carbon atom bonded to the halogen atom is
other than as a carbonyl carbon atom (e.g., halo).
Subclass:
43
This subclass is indented under subclass 10. Subject matter
wherein the containing reactant possesses at least one
aromatic group therein.
Subclass:
44
This subclass is indented under subclass 1. Subject matter
under Class 520 ... involving polymers derived from a
reactant containing a -N=C=X group wherein X is a chalcogen
atom (i.e., O, S, Se, or Te) or processes of polymerizing;
polymerizable compositions containing as a reactant a
compound having the general formula R-N=C=X wherein X is a
chalcogen or processes of preparing a polymerizable
composition.
(1) Note. This subclass also provides for those functional
derivatives of isocyanates which are generally known as
blocked, masked, or hidden isocyanates. These materials are
those which revert on heating to the -N=C=X group (e.g.,
urethanes or ureides of phenols, alkanols, lactams, oximes,
etc.)
(2) Note. Where a -N=C=X group is produced by an in situ
reaction or a decomposition reaction (other than blocked,
masked, or hidden isocyanates), those patents have been
placed as originals in subclasses which provide for the
compound prior to its decomposition or on the basis of the
reactants undergoing the in situ reaction (e.g.,
adiponitrile, carbonates, or oxalates).
(3) Note. Polonium is excluded from this subclass as being a
chalcogen.
(4) Note. As used throughout this subclass any reference to
X (e.g., -XH-C-XH, etc.) connotes oxygen, sulfur, selenium,
or tellurium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 370+
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
Subclass:
45
This subclass is indented under subclass 44. Subject matter
wherein at least one material having a -N=C=X group which has
been rendered inert by conversion to an inactive group (e.g.,
blocked, masked, or hidden) is utilized as a reactant.
(1) Note. The reaction process usually involves heating the
reactant which thereby reverts to a -N=C=X-containing
reactant.
(2) Note. The -N=C=X group which has been rendered inert is
usually in the form of a urethan group
Subclass:
48
This subclass is indented under subclass 44. Subject matter
wherein a -N=C=X-containing reactant, wherein X is a
chalcogen atom, i.e., O, S, Se, or Te, is polymerized in the
presence of a specified material.
(1) Note. For purposes of this subclass, a compound having a
single -C-XH, -C-NH[subscrpt]2[end subscrpt][supscrpt] [end
supscrpt][subscrpt] [end subscrpt]-C-NHR, or (X is
chalcogen) is always considered to be a nonreactant.
Similarly, a compound having a single group is considered as
a nonreactant except where the compound is a fatty acid or
salt derived from a naturally occurring glyceride, tall oil,
or a fatty acid derived from tall oil, in which case, if the
compound is a reactant it is considered proper for Class 528,
subclass 74.5.
(2) Note. For purposes of this subclass a compound having
two or more or (X is chalcogen) or combination of functional
groups is always considered to be a reactant.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for an explanation of the term "specified material".
Subclass:
49
This subclass is indented under subclass 48. Subject matter
wherein the specified material contains a compound having a
single C-XH, C-NH[subscrpt]2[end subscrpt], C-NH-, or
group (X is chalcogen).
Subclass:
50
This subclass is indented under subclass 48. Subject matter
wherein the specified material contains a compound having at
least one -O-O- group (i.e., peroxide, etc.).
Subclass:
51
This subclass is indented under subclass 48. Subject matter
wherein the specified material contains at least one atom of
phosphorus.
Subclass:
52
This subclass is indented under subclass 48. Subject matter
wherein the specified material contains at least one
nitrogen-containing organic compound.
Subclass:
53
This subclass is indented under subclass 52. Subject matter
wherein the organic nitrogen-containing compound possesses at
least one trivalent nitrogen atom which is bonded to three
atoms of carbon i.e.,( C )[subscrpt]3[end subscrpt]N
Subclass:
54
This subclass is indented under subclass 53. Subject matter
wherein the nitrogen compound whose nitrogen atom is bonded
to three atoms of carbon, contains a fused- or bridged-ring
system (e.g., triethylene diamine, etc.).
(1) Note. A bridged or fused ring system for purposes of
this subclass requires that a ring system be attached at two
different atoms of its nuclear skeleton to an atom or chain
of atoms which, when taken together with the nuclear atoms,
forms an additional ring structure.
Subclass:
55
This subclass is indented under subclass 48. Subject matter
wherein the specified material contains at least one metal
atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "metals".
Subclass:
56
This subclass is indented under subclass 55. Subject matter
wherein the specified material contains a transition metal
atom.
(1) Note. Transition metal is limited to elements of atomic
numbers 21-29, 39-47, 57-79, and 89 and higher, but does not
include Zn, Cd, or Hg.
Subclass:
57
This subclass is indented under subclass 55. Subject matter
wherein the specified material contains at least one atom of
Group IA or Group IIA metal atom.
(1) Note. Group IA metal atoms are limited to Li, Na, K, Rb,
Cs, Fr. Group IIA metal atoms are limited to Be, Mg, Ca, Sr,
Ba, Ra.
Subclass:
58
This subclass is indented under subclass 55. Subject matter
wherein the specified material contains tin (At. No. 50).
Subclass:
59
This subclass is indented under subclass 44. Subject matter
wherein the -N=C=X (X is chalcogen) reactant contains at
least two groups.
(1) Note. Patents for the most part herein are drawn to the
after treatment of a liquid prepolymer having terminal
-N=C=X groups.
(2) Note. The addition of materials to a prepolymer
intermediate characterized by terms such as chain extenders,
chain-lengthening material, cross-linking or curing agents,
is not sufficient absent an amount of a material of chemical
identity of added material (chemical identity is identical to
what is required of a specified material).
(3) Note. For purposes of this subclass a carboxylic acid
anhydride is considered as having two free carboxylic acid
groups.
SEE OR SEARCH THIS CLASS, SUBCLASS:
67 through 85, for products and processes where a prepolymer
is inherently prepared in an ongoing polymerization reaction
and is subsequently modified, but where no intent has been
made to recognize or identify the prepolymer intermediate.
Subclass:
60
This subclass is indented under subclass 59. Subject matter
wherein a material containing at least one -N=C=X (X is
chalcogen) group and two or more groups is reacted with a
material which contains a compound having three or more -XH,
NH, -NH[subscrpt]2[end subscrpt], C=NH or groups or contains
a compound having a combination of three or more of these
groups.
(1) Note. In all cases each of the functional derivatives
-XH, NH, -NH[subscrpt]2[end subscrpt], C=NH, must be directly
bonded to a carbon atom. It is permissible, however, for
these functional derivatives to be bonded to different carbon
atoms or to the same carbon atom. A compound having three
functional derivatives bonded to a single carbon atom meets
the requirement of this subclass. An anhydride formed from
two carboxylic acids is considered for purposes of this
subclass as having two groups.
Subclass:
61
This subclass is indented under subclass 59. Subject matter
wherein a material containing at least one -N=C=X (X is
chalcogen) group and two or more groups is reacted with a
compound which contains two nitrogen atoms as -NH,
-NH[subscrpt]2[end subscrpt], or =NH groups or a combination
thereof.
(1) Note. In all cases each of the functional derivatives
(i.e., -NH, =NH, or -NH2) must be directly bonded to
different carbon atoms or to the same carbon atom. A single
compound having two functional groups bonded to a single
carbon atom meets the requirements of this subclass.
Subclass:
62
This subclass is indented under subclass 61. Subject matter
wherein the reactant which contains two -NH, =NH, or -NH2
groups also contains a heterocyclic ring.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
63
This subclass is indented under subclass 61. Subject matter
wherein the -NH, NH2, or =NH reactant contains at least one
halogen atom.
Subclass:
64
This subclass is indented under subclass 61. Subject matter
wherein the -NH, NH2, or =NH reactant contains a cyclic ring
is composed solely of carbon atoms.
Subclass:
65
This subclass is indented under subclass 59. Subject matter
wherein a material containing at least one -N=C=X (X is
chalcogen) group and two or more groups is reacted with a
compound which has two -XH groups.
(1) Note. In all cases the -XH functional group must be
directly bonded to a carbon atom. A single carbon atom may
be bonded to more than one -XH group and such a compound
would meet the requirements of this subclass.
(2) Note. The carbon atom bonded to the -XH group cannot be
double to a chalcogen atom.
Subclass:
66
This subclass is indented under subclass 65. Subject matter
wherein the reactant containing two -XH groups also contains
at least two C-X-C or at least two carboxylic acid ester
groups.
(1) Note. This subclass includes hydroxyl terminated
polyesters or polyethers as reactants.
Subclass:
67
This subclass is indented under subclass 44. Subject matter
wherein at least two reactants containing a -N=C=X (X is
chalcogen) group are polymerized.
(1) Note. Excluded from this subclass are those conventional
commercial compositions which are mixtures of toluene
discoyanate (e.g., 2, 4 and 2, 6 TDi, 20/80 percent and 35/65
percent, etc.). However, mixtures of stereo and position
isomers are included herein if proportions are recited.
Subclass:
68
This subclass is indented under subclass 44. Subject matter
wherein a compound having at least one -N=C=X (X is
chalcogen) group is reacted with at least one compound which
contains two or more NH, -NH[subscrpt]2[end subscrpt], or
C=NH groups or a combination of two or more of these groups
and wherein the NH, -NH[subscrpt]2[end subscrpt], or C=NH
group-containing reactant plus any other reactant is devoid
of any group.
(1) Note. In all cases each of the functional derivatives,
i.e., NH, C=NH, -NH[subscrpt]2[end subscrpt], must be
directly bonded to the same or different carbon atom. A
compound having a single carbon atom which is bonded to more
would than one -NH[subscrpt]2[end subscrpt], >NH, or >C=NH
group would meet the requirements of this subclass.
Subclass:
69
This subclass is indented under subclass 44. Subject matter
wherein at least one reactant contains only one -N=C=X group
(X is chalcogen).
Subclass:
70
This subclass is indented under subclass 44. Subject matter
wherein at least one reactant contains flourine.
Subclass:
71
This subclass is indented under subclass 44. Subject matter
wherein at least one reactant contains a salt group.
Subclass:
72
This subclass is indented under subclass 44. Subject matter
wherein at least one contains phosphorus.
Subclass:
73
This subclass is indented under subclass 44. Subject matter
wherein at least one reactant contains a heterocyclic ring.
(1) Note. Reactants are classified herein only if a positive
recitation is noted that a reactant contains a heterocyclic
group (e.g., reactants prepared from a heterocyclic material
wherein the heterocyclic group has been destroyed would be
classified elsewhere it is unambiguous from the specification
of the patent that some heterocyclic group still exists in
the reactant.
(2) Note. Included herein but not limited to the following
examples are oxirane, aziridine, triazine, cyclic anhydrides,
etc.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
74
This subclass is indented under subclass 44. Subject matter
wherein at least one reactant contains a fused or bridged
ring system.
(1) Note. A bridged or fused ring system for purposes of
this subclass requires that a ring system be attached at two
different atoms of its nuclear skeleton to an atom or chain
of atoms which when taken together with the nuclear atoms
forms an additional ring structure.
Subclass:
74.5
Reactant which is a fatty acid glycerol ester, a fatty acid
or salt derived from a naturally occurring glyceride tall
oil, or a fatty acid derived from tall oil:
This subclass is indented under subclass 44. Subject matter
wherein there is at least one reactant which is a fatty acid
glycerol ester; a fatty acid or salt derived form a naturally
occurring glyceride; or tall oil, or a fatty acid derived
from tall oil.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the definition
of "fatty acid" in the Glossary for a discussion of terms
used herein.
Subclass:
75
This subclass is indented under subclass 44. Subject matter
wherein at least one reactant contains an ethylenically
unsaturated group.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
526, Synthetic Resins or Natural Rubbers, subclass 288 and
310+, respectively, for a polymer derived from an
ethylenically unsaturated -N=C=S or -N=C=O-containing
reactant as sole monomer or for an interpolymer derived from
only ethylenically unsaturated reactants wherein at least one
of said reactants contains a -N=C=S or -N=C=O group.
Subclass:
76
This subclass is indented under subclass 44. Subject matter
wherein a material containing two or more -N=C=X (X is
chalcogen) groups is reacted with a compound having two or
more or groups and wherein the carbon atoms bonded to oxygen
or sulfur atom are not double bonded to any oxygen, selenium,
or tellurium atom.
(1) Note. For purposes of this subclass a compound having
the structure is considered as having two groups.
Subclass:
77
This subclass is indented under subclass 76. Subject matter
wherein the or reactant contains at least three -XH
groups.
(1) Note. In all cases the -XH functional group must be
directly bonded to a carbon atom. A compound having a single
carbon atom which is bonded to three -XH groups would meet
requirements of this subclass.
(2) Note. The carbon atom bonded to the -XH group cannot be
double bonded to a chalcogen atom.
Subclass:
78
This subclass is indented under subclass 76. Subject matter
wherein the or reactant contains at least one nitrogen
atom which is other than C-NH, C-NH[subscrpt]2[end subscrpt],
or C=NH group.
(1) Note. This subclass includes tertiary amines.
Subclass:
79
This subclass is indented under subclass 76. Subject matter
wherein the or reactant contains a cyclic ring which is
composed soley of carbon atoms.
Subclass:
80
This subclass is indented under subclass 44. Subject matter
wherein a material containing two or more -N=C=X (X is
chalcogen) groups is reacted with a compound having two or
more groups and which compound is devoid of any C-NH-, C=NH,
or C-NH[subscrpt]2[end subscrpt] groups.
(1) Note. In all cases the functional group must be bonded
directly to a carbon atom. A compound having a single carbon
atom which is bonded to two or more groups would meet the
requirements of this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
84 for (a) polymers derived from a reactant having two or
more -N=C=X groups which reactant contains two or more groups
and which contains at least one C-NH-, C-NH[subscrpt]2[end
subscrpt], or C=NH group, or (b) a polymer derived from a
reactant having two or more -N=C=X groups and a reactant
having a group.
Subclass:
81
This subclass is indented under subclass 80. Subject matter
wherein the reactant contains at least three -XH groups.
(1) Note. In all cases the -XH groups must be bonded to a
carbon atom. A compound having a carbon atom which is bonded
to three or more -XH groups would meet the requirements of
this subclass. The carbon atom bonded to the -XH group
cannot be double bonded to a chalcogen atom.
Subclass:
82
This subclass is indented under subclass 80. Subject matter
wherein the reactant contains at least one trivalent nitrogen
atom which is bonded to three atoms of carbon.
Subclass:
83
This subclass is indented under subclass 80. Subject matter
wherein the reactant has been derived from only a
dicarboxylic acid or derivative and only a glycol or
alcoholate derivative.
(1) Note. Included herein are mixtures of dicarboxylic acids
and mixtures of glycols.
SEE OR SEARCH THIS CLASS, SUBCLASS:
271 for a definition of the term "dicarboxylic acid or
derivative".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "alcohol".
Subclass:
84
This subclass is indented under subclass 44. Subject matter
wherein a material containing two or more -N=C=X (X is
chalcogen) groups is reacted with a compound having two or
moregroups.
(1) Note. In all cases the functional group must be bonded
directly to a carbon atom. A compound having a single carbon
atom which is bonded to two or more groups would meet the
requirements of this subclass.
(2) Note. For purposes of this subclass a compound having a
group is considered as having twogroups and is considered
proper for this subclass.
Subclass:
85
This subclass is indented under subclass 44. Subject matter
wherein a material containing two or more -N=C=X (X is
chalcogen) groups is reacted with a compound having two or
more -XH groups.
(1) Note. In all cases the -XH functional group must be
bonded directly to a carbon atom. A compound having a single
carbon atom bonded to two or more -XH groups would meet the
requirements of this subclass. The carbon atom bonded to the
-XH group cannot be double bonded to a chalcogen atom.
Subclass:
86
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
phenol, phenol ether, inorganic phenolate and processes of
polymerizing; polymerizable compositions containing a phenol,
phenol ether, inorganic phenolate reactant and processes of
preparing a polymerizable composition.
(1) Note.
(A) A phenol for purposes of this subclass requires one or
more -OH groups directly bonded to a nuclear carbon atom of a
substituted or unsubstituted benzene ring, which benzene ring
can be an individual benzene ring or can be part of a
polycyclic ring system.
(B) A phenol ether for purposes of this subclass requires
one or more -O-C- groups wherein the oxygen atom of the -O-C-
group is directly bonded to a nuclear carbon atom of a
substituted or unsubstituted benzene ring and wherein the
carbon atom of the -O-C- group is not double bonded to
oxygen, sulfur, selenium, or tellurium or triple bonded to
nitrogen. The benzene ring may be an individual benzene ring
or may be part of a polycyclic ring system. The following
examples of phenol ethers are within the definition set out
above:
(1) The -O-C- group may itself be part of a cyclic ring
system, e.g.,
, etc.
(2) The carbon of the -O-C- group may be a ring atom of a
cyclic or
, etc.,
aromatic ring, e.g.,
(3) The carbon of the -O-C- group may be a terminal carbon
atom, e.g.,
or may be the carbon atom of a chain, e.g.,
(C) An inorganic phenolate is an inorganic salt of a phenol
(see phenol (1) above) wherein the hydrogen atom of a -OH
group is replaced by a metal or an inorganic group.
(2) Note. The term phenolic reactant as used throughout this
subclass is intended to include the subject matter enumerated
in the (1) Note above.
(3) Note. For purposes of this subclass tannin or tannic is
considered to be a poly-hydroxy polycyclic carboxy-containing
phenol.
(4) Note. For purposes of this subclass cresylic acid is
considered to be cresol.
(5) Note. For purposes of this subclass coal tar extracts
are considered to be an indefinable mixture of ingredients
some of which are phenolic in nature and are classified in
this area on the basis of the coreactant, if any.
(6) Note. For purposes of this subclass, Cardanol and
anacardic acids are considered to be phenols.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 1+ for a cashew nut shell liquor containing
anacardic acid or Cardanol.
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
526, Synthetic Resins or Natural Rubbers, subclass 313 for a
polymer derived from an ethylenically unsaturated phenol,
phenol ether, or inorganic phenolate as sole monomer or as
interpolymer derived from only ethylenically unsaturated
reactants wherein at least one of the ethylenically
unsaturated reactants contains a phenol, phenol ether, or
inorganic phenolate group.
Subclass:
87
This subclass is indented under subclass 86. Subject matter
wherein a polymer contains both a phenol, phenol ether, or
inorganic phenolate group and at least one 1, 2-epoxy group,
or wherein a phenol, phenol ether, or inorganic
phenolate-containing material is reacted with a 1,
2-epoxy-containing material.
(1) Note. A 1, 2-epoxy-containing material is a compound
having a three-membered heterocyclic ring composed only of
one oxygen and two carbon atoms.
Subclass:
88
This subclass is indented under subclass 87. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate which
contains at least one 1, 2-epoxy is polymerized in the
presence of a specified material, or wherein a phenol, phenol
ether, or inorganic phenolate is polymerized with a 1,
2-epoxy-containing reactant in the presence of a specified
material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
89
This subclass is indented under subclass 88. Subject matter
wherein the specified material contains phosphorus atom(s).
Subclass:
90
This subclass is indented under subclass 88. Subject matter
wherein the specified material contains sulfur atom(s).
Subclass:
91
This subclass is indented under subclass 88. Subject matter
wherein the specified material contains boron atom(s).
Subclass:
92
This subclass is indented under subclass 88. Subject matter
wherein the specified material contains a polyvalent metal
atom.
(1) Note. Polyvalent material is limited to elements of
atomic numbers 4, 12, 13, 20-33, 38-51, 56-84, 88, and
higher.
Subclass:
93
This subclass is indented under subclass 88. Subject matter
wherein the specified material contains a nitrogen compound.
Subclass:
94
This subclass is indented under subclass 93. Subject matter
wherein the specified material contains a nitrogen atom as
part of a heterocyclic ring.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
95
This subclass is indented under subclass 88. Subject matter
wherein the specified material contains a Group IA metal
atom, i.e., Li, Na, K, Rb, Cs, Fr.
(1) Note. Included herein are those substances classified as
caustics.
Subclass:
96
This subclass is indented under subclass 87. Subject matter
wherein the phenol, phenol ether, or inorganic phenolate
reactant contains at least one heterocyclic group which is
not a 1, 2-epoxy-containing ring.
SEE OR SEARCH THIS CLASS, SUBCLASS:
101 for a phenol, phenol ether, or inorganic phenolate
containing as the sole heterocyclic ring a 1, 2-epoxy group
fused to a carbocyclic ring.
105 for a phenol, phenol ether, or inorganic phenolate
reactant containing only a single 1, 2-epoxy group.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
97
This subclass is indented under subclass 87. Subject matter
wherein the phenol, phenol ether, or inorganic phenolate
reactant contains a fused or bridged structure, which fused
structure is other than a 1, 2-epoxy ring which is fused to a
ring system containing only carbon atoms as ring members.
(1) Note. Fused or bridged ring for purposes of this
subclass requires that a ring system be attached at two
different atoms of its nuclear skeleton to an atom or chain
of atoms which, when taken together with the nuclear atoms,
forms an additional ring system.
Subclass:
98
This subclass is indented under subclass 87. Subject matter
wherein the phenol, phenol ether, or inorganic phenolate
contains at least three rings and wherein each of said rings
is composed solely of carbon atoms.
(1) Note. For purposes of this subclass a ring containing
only carbon atoms wherein a 1, 2-epoxy group is fused
directly thereto is considered as being a single ring, e.g.,
[figure] [caption], etc.
Subclass:
99
This subclass is indented under subclass 87. Subject matter
wherein the phenolic reactant contains at least one nitrogen,
sulfur, or phosphorus atom.
Subclass:
100
This subclass is indented under subclass 87. Subject matter
wherein the phenol, phenol ether, or inorganic phenolate
reactant contains a carboxylic acid group or is a derivative
thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
96 for a cyclic anhydride, lactone, lactam, or
imide-containing phenol, phenol ether, or inorganic phenolate
reactant.
271 for an explanation of the term "carboxylic acid
derivative".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "carboxylic acid".
Subclass:
101
This subclass is indented under subclass 87. Subject matter
wherein the phenol, phenol ether, or inorganic phenolate
reactant contains (1) ethylenic unsaturation, or (2) contains
at least one 1, 2-epoxy group fused to a ring composed solely
of carbon atoms.
(1) Note. A fused ring monomer for purposes of this subclass
requires that a ring composed solely of carbon atoms be
attached at two of its adjacent nuclear carbon atoms to a
single oxygen atom so that the adjoined carbons and the
oxygen atom form an additional ring structure.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
Subclass:
102
This subclass is indented under subclass 87. Subject matter
wherein at least one halogen atom is bonded directly to a
nuclear carbon atom of a benzene ring and wherein at least
one of the nuclear carbon atoms of the same benzene ring is
directly bonded to an oxygen atom so as to form a phenol,
phenol ether, or inorganic phenolate.
Subclass:
103
This subclass is indented under subclass 87. Subject matter
wherein two or more 1, 2-epoxy-containing compounds are
reactants.
(1) Note. This subclass includes:
(a) Two or more epoxy-containing phenols, phenol ethers, or
inorganic phenolates or mixtures thereof.
(b) A 1, 2-epoxy-containing phenol, phenol ether, or
inorganic phenolate reacted with a nonphenolic-containing 1,
2-epoxy reactant.
(c) A nonepoxy-containing phenolic material reacted with two
or more non-phenolic 1, 2-epoxy-containing reactants.
Subclass:
103.5
1, 2-epoxy reactant having at least one carboxylic ester
group, e.g., eposidized linseed oil, etc.:
This subclass is indented under subclass 103. Subject matter
wherein at least one 1, 2-epoxy reactant contains one or more
carboxylic acid ester groups.
Subclass:
104
This subclass is indented under subclass 87. Subject matter
wherein two or more phenols, phenol ethers, or inorganic
phenolates or mixtures thereof are reactants.
Subclass:
105
This subclass is indented under subclass 87. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate
reactant contains only a single 1, 2-epoxy group therein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
103 for the interaction of two or more phenolic reactants
each containing a single 1, 2-epoxy group.
Subclass:
106
This subclass is indented under subclass 87. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate
containing two or more 1, 2-epoxy groups is reacted with a
non-1, 2-epoxy-containing reactant (reactant is devoid of 1,
2-epoxy group), or wherein a non-1, 2-epoxy-containing
phenol, phenol ether, or inorganic phenolate (phenolic
material is devoid of a 1, 2-epoxy group) is reacted with a
single compound having a 1, 2-epoxy group and with at least
one non-1, 2-epoxy-containing reactant (reactant is devoid of
a 1, 2-epoxy group).
SEE OR SEARCH THIS CLASS, SUBCLASS:
103 for two or more 1, 2-epoxy reactants.
104 for two or more phenolic reactants.
Subclass:
107
This subclass is indented under subclass 106. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant is an
aldehyde or derivative.
SEE OR SEARCH THIS CLASS, SUBCLASS:
230 for a clarification of the term "aldehyde derivative".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "aldehyde".
Subclass:
108
This subclass is indented under subclass 106. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant contains
phosphorus.
Subclass:
109
This subclass is indented under subclass 106. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant contains
sulfur.
Subclass:
110
This subclass is indented under subclass 106. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant is an
alcohol, oxygen ether, or inorganic alcoholate.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the terms "alcohol" and "ether".
Subclass:
111
This subclass is indented under subclass 110. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant is a
nitrogen-containing alcohol, inorganic alcoholate of a
nitrogen-containing alcohol, or a nitrogen-containing oxygen
ether.
Subclass:
111.3
Non-1, 2-epoxy or nonphenolic reactant which is a dimer or
trimer of an ethylenically unsaturated aliphatic
monocarboxylic acid having at least ten atoms; or adduct of
said unsaturated monocarboxylic acid with an alpha, beta
ethylenically unsaturated carboxylic acid or derivative:
This subclass is indented under subclass 106. Subject matter
wherein said nonepoxy or nonphenolic reactant is
polycarboxylic acid reactant which is a dimer or trimer of an
ethylenically unsaturated aliphatic noncarboxylic acid having
at least ten carbon atoms; or an adduct of said unsaturated
monocarboxylic unsaturated carboxylic acid or derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of "dimer or trimer or an aliphatic
monocarboxylic acid".
Subclass:
111.5
Non 1, 2-epoxy or nonphenolic reactant which is a fatty acid
glycerol ester, a fatty acid or salt derived from a naturally
occurring glyceride, tall oil, or a fatty acid derived from
tall oil:
This subclass is indented under subclass 106. Subject matter
wherein said non 1, 2-epoxy or nonphenolic reactant is a
fatty acid glycerol ester, a fatty acid or salt derived from
a naturally occurring glyceride, tall oil, or fatty acid
drived from tall oil.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the definition
of "fatty acid" in the Glossary for a discussion of terms
used herein.
Subclass:
112
This subclass is indented under subclass 106. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant is a
carboxylic acid, salt thereof, or anhydride thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
271 for a definition of the term "carboxylic acid salt or
anhydride".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "carboxylic acid".
Subclass:
113
This subclass is indented under subclass 112. Subject matter
wherein in addition to the carboxylic acid, salt thereof, or
anhydride thereof, there is at least one additional non-1,
2-epoxy or nonphenolic reactant which is a
nitrogen-containing compound.
(1) Note. This subclass may include a mixture of two
nonepoxy or nonphenolic reactants wherein one is a
nitrogen-containing carboxylic acid and wherein the other is
a non-nitrogen-containing carboxylic acid.
Subclass:
114
This subclass is indented under subclass 112. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant is a
nitrogen-containing carboxylic acid, a salt of a
nitrogen-containing carboxylic acid, a nitrogen-containing
carboxylic acid anhydride, or a nitrogen-containing salt of a
non-nitrogen-containing carboxylic acid.
Subclass:
115
This subclass is indented under subclass 112. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant is at
least a mixture of two or more carboxylic acids, salts
thereof, anhydrides thereof, or is a mixture of at least any
two of the types of materials enumerated above.
Subclass:
116
This subclass is indented under subclass 106. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant is a
heterocyclic ring-containing compound.
SEE OR SEARCH THIS CLASS, SUBCLASS:
112 for a non-1, 2-epoxy or nonphenolic reactant containing
a cyclic carboxylic acid anhydride group.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
117
This subclass is indented under subclass 116. Subject matter
wherein the non-1, 2-epoxy or nonpenolic reactant contains a
five-membered heterocyclic ring having at least one nitrogen
atom as a ring member.
Subclass:
118
This subclass is indented under subclass 116. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant contains a
six-membered heterocyclic ring having at least one nitrogen
atom as a ring member.
Subclass:
119
This subclass is indented under subclass 106. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant contains
at least one atom of nitrogen.
Subclass:
120
This subclass is indented under subclass 119. Subject matter
wherein the non-1, 2-epoxy or nonphenolic material contains
at least two nitrogen-containing reactants.
SEE OR SEARCH THIS CLASS, SUBCLASS:
99 for a nitrogen-containing phenolic reactant.
Subclass:
121
This subclass is indented under subclass 119. Subject matter
wherein the nitrogen-containing non-1, 2-epoxy or nonphenolic
reactant contains an amino-nitrogen atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "amine".
Subclass:
122
This subclass is indented under subclass 121. Subject matter
wherein the non-1, 2-epoxy or nonphenlic reactant which has
an amino-nitrogen atom contains a non-aromatic ring composed
solely of carbon atoms.
Subclass:
123
This subclass is indented under subclass 121. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant which has
an amino-nitrogen atom contains at least three nitrogen
atoms.
(1) Note. In counting the number of nitrogen atoms, the
nonamino groups are counted toward the number of nitrogen
atoms required to meet the requisite number of three or more
nitrogen atoms.
Subclass:
124
This subclass is indented under subclass 121. Subject matter
wherein the non-1, 2-epoxy or nonphenolic reactant which
contains an amino-nitrogen atom contains at least one
aromatic ring.
Subclass:
125
This subclass is indented under subclass 86. Subject matter
wherein a polymer is derived from a phenol, phenol ether, or
inorganic phenolate which contains a ketone group or wherein
a phenol, phenol ether, or inorganic phenolate-containing
material is reacted with a ketone-containing material.
(1) Note. For purposes of this subclass a reactant having a
C=C=O group (a ketene) is considered as being a ketone.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ketone".
Subclass:
126
This subclass is indented under subclass 125. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate which
contains at least one ketone group is polymerized in the
presence of a specified material, or wherein a phenol, phenol
ether, or inorganic phenolate is polymerized with at least
one ketone-containing reactant in the presence of a specified
material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for an explanation of the term "specified material".
Subclass:
127
This subclass is indented under subclass 125. Subject matter
wherein at least one phenol, phenol ether, or inorganic
phenolate containing a ketone group is reacted with an
aldehyde or derivative which is free of any ketone or
phenolic group, or wherein a phenol, phenol ether, or
inorganic phenolate is reacted with a ketone-containing
reactant and with an aldehyde or derivative which is devoid
of any phenolic or ketone groups.
SEE OR SEARCH THIS CLASS, SUBCLASS:
230 for a definition of the term "aldehyde derivative", and
see the (2) Note thereunder.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for definition of the term "aldehyde".
Subclass:
128
This subclass is indented under subclass 125. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate is
reacted with at least one ketone reactant which is devoid of
any phenolic group.
Subclass:
129
This subclass is indented under subclass 86. Subject matter
wherein a polymer is derived from at least one phenol, phenol
ether, or inorganic phenolate and at least one aldehyde or
derivative.
(1) Note. (a) An aldehyde derivative is:
(1) Compounds having a X-CH2-OH group wherein X is other
than a carbon or hydrogen (e.g., paraformaldehyde, methyol
derivatives of urea, etc.).
(2) Heterocyclic compound having only carbon and oxygen as
ring members in an alternating manner and in equal amount,
i.e., as illustrated below, e.g., trioxane. [figure]
(3) Hexamethylenetramine (CH2)6N4, known also as
methenamine, hexamine, formine, hexamethyleneamine, and
urotropin and its derivatives. A derivative for purposes of
this subclass requires the basic ring structure of
hexamethylenetetramine but wherein the hydrogen atoms may
have been replaced by other atoms. See illustration below.
[figure]
(2) Note. Compounds having a -CH2OH group bonded to elements
other then C, H, or oxygen are regarded as being two
compounds; for instance, a methylol derivative of melamine is
regarded as a mixture of melamine and formaldehyde, and
methylol urea is regarded as being a mixture of urea and
formaldehyde.
(3) Note. An unspecified novolak or resole is proper for
this area in that it is a mixture of a phenol and an
aldehyde. If a novolak or resole of specified structure is
claimed as a reactant, then classification is proper based on
the structure of the specific reactant.
(4) Note. For purposes of this subclass, a reactant composed
of only halogen and carbon atoms is considered as being a
halogenated carbon and is therefore proper for subclass 160.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for cross-references placed therein when
liquid novolak or resole is utilized as a reactant in the
subclass or its indents. Such liquid reactants are regarded
as solids for purposes of cross-references.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "aldehyde".
Subclass:
137
This subclass is indented under subclass 129. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate is
reacted with at least one aldehyde or derivative in the
presence of a specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for an explanation of the term "specified material".
Subclass:
138
This subclass is indented under subclass 137. Subject matter
wherein the specified material contains at least one atom of
boron.
Subclass:
139
This subclass is indented under subclass 137. Subject matter
wherein the specified material contains at least one atom of
aluminum or of a heavy metal.
(1) Note. Heavy metal denotes a metal atom having a specific
gravity greater than four.
Subclass:
140
This subclass is indented under subclass 137. Subject matter
wherein the specified material contains at least one atom of
a Group IIA metal (i.e., Be, Mg, Ca, Sr, Ba).
SEE OR SEARCH THIS CLASS, SUBCLASS:
139 for a radium-containing specified material.
Subclass:
141
This subclass is indented under subclass 137. Subject matter
wherein the specified material contains at least one atom of
phosphorus.
Subclass:
142
This subclass is indented under subclass 137. Subject matter
wherein the specified material is an alcohol, inorganic
alcoholate thereof, or ether.
SEE OR SEARCH THIS CLASS, SUBCLASS:
139 for an inorganic alcoholate containing aluminum or a
heavy metal atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the terms "alcohol" or "ether".
Subclass:
143
This subclass is indented under subclass 137. Subject matter
wherein the specified material contains at least one atom of
sulfur.
Subclass:
144
This subclass is indented under subclass 137. Subject matter
wherein the specified material is a carboxylic acid, ester
thereof, salt thereof, or anhydride thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
271 for a definition of the term " carboxylic acid salt or
anhydride".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "carboxylic acid or
derivative".
Subclass:
145
This subclass is indented under subclass 137. Subject matter
wherein the specified material is a nitrogen-containing
compound.
Subclass:
146
This subclass is indented under subclass 145. Subject matter
wherein the nitrogen-containing specified material contains
at least one atom of nitrogen directly bonded to at least one
atom of carbon.
Subclass:
147
This subclass is indented under subclass 137. Subject matter
wherein the specified material contains at least one atom of
a Group IA metal (i.e., Li, Na, K, Rb, Cs, Fr).
(1) Note. The term "caustic or alkali" in a claim is
sufficient for a material to be considered as a specified
material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
139 for a specified material containing radium.
Subclass:
148
This subclass is indented under subclass 129. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate
containing a carboxylic acid group or a salt of a carboxylic
acid group is reacted with an aldehyde or derivative.
SEE OR SEARCH THIS CLASS, SUBCLASS:
271 for a definition of the term " carboxylic acid salt".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "carboxylic acid or
derivative".
Subclass:
149
This subclass is indented under subclass 129. Subject matter
wherein a phenol, inorganic phenolate, or phenol ether
containing at least one nitrogen atom is reacted with an
aldehyde or derivative.
Subclass:
150
This subclass is indented under subclass 129. Subject matter
wherein a phenol, inorganic phenolate, or phenol ether
containing at least one sulfur atom is reacted with an
aldehyde or derivative.
Subclass:
151
This subclass is indented under subclass 129. Subject matter
wherein a phenol, inorganic phenolate, or phenol ether
containing at least one halogen atom which is bonded to a
nuclear carbon atom of a benzene ring and wherein at least
one of the other nuclear carbon atoms of the same benzene
ring is directly bonded to an oxygen atom so as to form a
phenol, inorganic phenolate, or phenol ether therewith, is
reacted with an aldehyde or derivative.
Subclass:
152
This subclass is indented under subclass 129. Subject matter
wherein a phenol, inorganic phenolate, or phenol ether
containing at least one ethylenically unsaturated group is
reacted with at least one aldehyde or derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
526, Synthetic Resins or Natural Rubbers, subclass 313,
wherein an ethylenically unsaturated phenol, inorganic
phenolate, or phenol ether is the sole reactant, or wherein
all of the reactants are ethylenically unsaturated.
Subclass:
153
This subclass is indented under subclass 129. Subject matter
wherein a phenol, inorganic phenolate, or phenol ether
containing a fused or bridged ring or containing two or more
individual rings is reacted with an aldehyde or derivative.
(1) Note. Included within the term "two or more individual
rings" may be a phenolic reactant containing a heterocyclic
ring or cycloaliphatic ring in addition to the phenolic
structure, or a phenolic reactant containing two phenolic
rings (e.g., diphenyl ether, etc.) or a phenolic reactant
containing an aryl ring in addition to the phenolic ring.
SEE OR SEARCH THIS CLASS, SUBCLASS:
154 for a phenol ether reactant wherein the ether group is
not bonded to two distinct benzene rings.
Subclass:
154
This subclass is indented under subclass 129. Subject matter
wherein a phenol ether is reacted with an aldehyde or
derivative.
Subclass:
155
This subclass is indented under subclass 129. Subject matter
wherein an aldehyde (1) is reacted with a phenol containing
two distinct (-OH) groups or two distinct (-O-Salt) groups or
mixtures of these groups and wherein the two (-OH) groups or
two (-O-Salt) groups are bonded to two distinct carbon atoms
of the same benzene ring, or (2) is reacted with two or more
phenolic compounds to their phenolate salts or mixtures
thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
153 for a phenolic reactant containing two distinct benzene
rings and containing at least one (-OH) or (-O-Salt) group
bonded to a nuclear carbon atom of a benzene ring.
Subclass:
156
This subclass is indented under subclass 129. Subject matter
wherein a phenol or inorganic phenolate is reacted with at
least two distinct aldehydes or derivatives or mixtures
thereof.
Subclass:
157
This subclass is indented under subclass 129. Subject matter
wherein a phenol or inorganic phenolate is reacted with an
ethylenically unsaturated aldehyde or derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
526, Synthetic Resins or Natural Rubbers, subclass 315 for
polymers wherein an ethylenically unsaturated aldehyde is the
sole reactant.
Subclass:
158
This subclass is indented under subclass 129. Subject matter
wherein a phenol or inorganic phenolate is reacted with at
least one aldehyde or derivative and at least one additional
phosphorus or sulfur-containing reactant which sulfur or
phosphorus reactant is not a phenol, inorganic phenolate, or
aldehyde or derivative thereof.
Subclass:
158.5
With a reactant which is a fatty acid glycerol ester, a fatty
acid or salt derived from a naturally occurring glyceride,
tall oil, or a fatty acid derived from a tall oil:
This subclass is indented under subclass 129. Subject matter
wherein there is additionally present a fatty acid glycerol
ester, a fatty acid or salt derived from a naturally
occurring glyceride, tall oil, or a fatty acid derived from
tall oil.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the definition
of "fatty acid" in the Glossary for a discussion of terms
used herein.
Subclass:
159
This subclass is indented under subclass 129. Subject matter
wherein a phenol or phenolate is reacted with an aldehyde or
derivative thereof and with an additional ethylenically
unsaturated reactant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
152 for the reaction of an ethylenically unsaturated
phenolic reactant and an aldehyde or derivative.
157 for the reaction of a phenolic reactant and an
ethylenically unsaturated aldehyde or derivative.
Subclass:
160
This subclass is indented under subclass 129. Subject matter
wherein a phenol or inorganic phenolate is reacted with an
aldehyde or derivative and with an additional reactant which
is solely composed of carbon and hydrogen atoms, or solely
composed of only carbon, hydrogen, and halogen atoms.
(1) Note. For purposes of this subclass a reactant
containing only carbon and halogen atoms (i.e., perhalo) will
be considered as being proper for classification herein.
Subclass:
161
This subclass is indented under subclass 129. Subject matter
wherein a phenol or inorganic phenolate is reacted with at
least one aldehyde or derivative and with an additional
reactant which is a carboxylic acid, salt, or a carboxylic
acid anhydride and which reactant is not a phenol, inorganic
phenolate, or an aldehyde or a derivative thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
148 for a phenolic reactant containing a carboxylic acid or
carboxylic acid salt group.
271 for a definition of the term "carboxylic acid salt or
anhydride".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "carboxylic acid".
Subclass:
162
This subclass is indented under subclass 129. Subject matter
wherein a phenol or inorganic phenolate is reacted with an
aldehyde or derivative and with at least one additional
reactant which contains at least one nitrogen atom which is
not a phenol, inorganic phenolate, or an aldehyde or
derivative.
SEE OR SEARCH THIS CLASS, SUBCLASS:
149 for a nitrogen-containing phenolic reactant.
Subclass:
163
This subclass is indented under subclass 162. Subject matter
wherein the nonphenolic or nonaldehyde or derivative nitrogen
reactant (1) contains at least one atom of nitrogen as a ring
atom of a heterocyclic ring, or (2) is a compound having at
least one nitrogen atom and at least one aromatic ring.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
164
This subclass is indented under subclass 162. Subject matter
wherein the nonphenolic or nonaldehyde or derivative nitrogen
reactant contains the group.
SEE OR SEARCH THIS CLASS, SUBCLASS:
158 for a nonphenolic or nonaldehyde reactant containing the
N-C-N group.
Subclass:
165
This subclass is indented under subclass 129. Subject matter
wherein the sole reactants are a phenol or inorganic
phenolate and an aldehyde or derivative.
SEE OR SEARCH THIS CLASS, SUBCLASS:
155 for a polymer from two or more phenolic reactants and at
least one aldehyde or derivative.
156 for a polymer from a single phenolic reactant and two or
more aldehydes or derivatives.
Subclass:
166
This subclass is indented under subclass 86. Subject matter
wherein a polymer is derived (1) from phenol, phenol ether,
or inorganic phenolate reactant containing an aluminum or
heavy metal atom, or (2) from a phenol, inorganic phenolate,
or phenol ether and an aluminum or heavy metal-containing
reactant.
(1) Note. Heavy metal denotes a metal atom having a specific
gravity greater than four.
SEE OR SEARCH THIS CLASS, SUBCLASS:
9 for a heavy metal or aluminum reactant having at least one
hydrogen to heavy metal or aluminum bond or at least one
carbon to heavy metal or aluminum bond.
Subclass:
167
This subclass is indented under subclass 86. Subject matter
wherein a polymer is derived (1) from a phenol, phenol ether,
or inorganic phenolate reactant containing at least one atom
of phosphorus, or (2) from a phenol, phenol ether, or
inorganic phenolate and a phosphorus-containing reactant.
Subclass:
168
This subclass is indented under subclass 167. Subject matter
wherein a nitrogen-containing compound is a reactant.
(1) Note. The nitrogen atom may be in any of the reactants
and the phosphorus atom may be in any of the other reactants,
or they may be in the same nonphenolic reactant, or in the
same phenolic reactant.
Subclass:
169
This subclass is indented under subclass 167. Subject matter
wherein a halogen-containing compound is a reactant.
(1) Note. The halogen atom may be in any of the reactants
and the phosphorus atom may be in any of the other reactants,
or they may be in the same nonphenolic reactant, or in the
same phenolic reactant.
Subclass:
170
This subclass is indented under subclass 86. Subject matter
wherein a polymer is derived (1) from a phenol, phenol ether,
or inorganic phenolate containing at least one imide group,
or (2) from a phenol, phenol ether, or inorganic phenolate
and an imide-containing reactant.
(1) Note. An imide for purposes of this subclass is a
compound having the general formula, as shown below, wherein
X is one or more. [figure]
Subclass:
171
This subclass is indented under subclass 86. Subject matter
wherein a polymer is derived (1) from a phenol, phenol ether,
or inorganic phenolate containing a sulfur-to-oxygen bond, or
(2) from a phenol, phenol ether, or an inorganic phenolate
and a reactant which contains a sulfur-to-oxygen bond.
Subclass:
172
This subclass is indented under subclass 171. Subject matter
wherein a nitrogen-containing compound is a reactant and
wherein the nitrogen atom is other than solely as the
nitrogen atom of a carboxylic acid derivative, i.e., amide,
nitrile, or lactam.
(1) Note. The nitrogen atom may be in any of the reactants
(other than solely as carboxylic acid derivatives) and the
sulfur-to-oxygen group may be in any of the other reactants,
or they may be in the same nonphenolic reactant, or in the
same phenolic reactant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
170 for a phenolic reactant containing an imide group, or
for the reaction of a phenolic reactant and an
amide-containing reactant.
173 for a reactant wherein nitrogen is solely part of a
carboxylic acid amide, nitrile, or lactam.
271, for a definition of a carboxylic acid derivative.
Subclass:
173
This subclass is indented under subclass 171. Subject matter
wherein a carboxylic acid or derivative is a reactant.
(1) Note. A derivative of a carboxylic acid for purposes of
this class is limited to esters, amides, imides, lactams,
salts, anhydrides, nitriles, lactones, and acyl halides.
(2) Note. The carboxylic acid or derivative may be in any
one of the reactants and the sulfur-to-oxygen bond may be in
any of the other reactants, or they may be in the same
phenolic or nonphenolic reactant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
170 for imides.
271 for a definition of the term "carboxylic acid or
derivative thereof".
Subclass:
174
This subclass is indented under subclass 171. Subject matter
wherein a reactant contains a halogen-containing material (F,
Cl, Br, I, At) as a reactant.
(1) Note. The halogen atom may be in any of the reactants
and the sulfur-to-oxygen group may be in any of the other
reactants, or they may be in the same nonphenolic reactant,
or in the same phenolic reactant.
Subclass:
175
This subclass is indented under subclass 174. Subject matter
wherein a reactant contains the halo group.
Subclass:
176
This subclass is indented under subclass 86. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate is
reacted with a polycarboxylic acid or derivative thereof.
(1) Note. "Derivative" is limited to a nitrile, ester,
anhydride, salt, amide, imide, lactam, lactone, and acyl
halide. Certain compounds, however, may have more than one
function (e.g., a lactone is a species of ester; a lactam isa
species of an amide). Compounds which are multifaceted (i.e.,
more than one function) are classified on the basis of the
first-appearing term provided in the subclass hierarchy.
(2) Note. A polycarboxylic acid reactant for purposes of
this subclass requires the presence of at least two
carboxylic acid groups. A polycarboxylic acid derivative
requires at least one carboxylic acid group and at least one
carboxylic acid derivative, or at least two identical
carboxylic acid derivatives, or at least two different
carboxylic acid derivatives. See (1) Note above for an
explanation of the term "derivative".
(4) Note. For purposes of this subclass an anhydride having
the general formula, which may be linear or cyclic, is
considered as being a polycarboxylic acid. Compounds having
both a anhydride and a free carboxylic acid group are
considered as being a tricarboxylic acid, e.g., as shown
below in the first illustration, etc., and compounds
containing two anhydride groups are considered as being a
tetracarboxylic acid, e.g., as shown below in the second
illustration. [figure]
[figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
170 for the reaction of an imide-containing phenolic
reactant or for the reaction of a phenolic reactant with an
imide-containing reactant.
271 for a more specific definition of the term "carboxylic
acid derivative".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "carboxylic acid".
Subclass:
179
This subclass is indented under subclass 176. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate is
reacted with at least one reactant which is a polycarboxylic
acid or polycarboxylic acid derivative in the presence of a
specified material.
(1) Note.
(A) For purposes of this subclass non-reactant materials
(specified materials) which are present during a
polymerization reaction and wherein the only metal atoms
therein are Group IA (Li, Na, K, Rb, Cs, Fr) or Group IIA
metal atoms (Be, Mg, Ca, Sr, Ba, Ra) or a mixture thereof,
are not considered as being specified materials.
(B) Compounds which contain at least one Group IA or Group
IIA and at least one other non-Group IA or non-Group IIA
metal atom are proper herein and are classified on the basis
of the non-Group IA or non-Group IIA metal atom.
(C) A mixture of a metal-containing compound specifically
excluded herefrom and another material which can be
considered as being a specified material, per se, is
classified herein on the basis of specified material, per
se.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for an explanation of the term "specified material".
Subclass:
180
This subclass is indented under subclass 179. Subject matter
wherein the specified material contains at least one metal
atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of "metals".
Subclass:
181
This subclass is indented under subclass 180. Subject matter
wherein the specified material contains at least one atom of
a transition metal.
(1) Note. Transition metal is limited to elements of atomic
numbers 21-29, 39-47, 57-79, 88, and higher.
Subclass:
182
This subclass is indented under subclass 179. Subject matter
wherein the specified material is a nitrogen-containing
compound.
Subclass:
183
This subclass is indented under subclass 176. Subject matter
wherein a nitrogen-containing compound is a reactant and
wherein at least one nitrogen atom thereof is an
amino-nitrogen atom.
(1) Note. The amino-nitrogen atom may be in any of the
reactants, for instance, it may be in the phenolic reactant
or in the polycarboxylic acid or derivative reactant, or in a
nonphenolic or nonpolycarboxylic reactant.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of the term "amine".
Subclass:
184
This subclass is indented under subclass 183. Subject matter
wherein a reactant contains both a carboxylic acid group or
derivative thereof and at least one amino-nitrogen atom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
188 for a non(amino nitrogen)-containing tricarboxylic acid
or non(amino nitrogen)-containing derivative of a
tricarboxylic acid (e.g., amide, nitrile, etc.).
Subclass:
185
This subclass is indented under subclass 183. Subject matter
wherein a phenolic reactant contains two or more oxygen atoms
directly bonded to two distinct aryl nuclear carbon atoms of
two distinct aryl rings and wherein the bonded oxygen atoms
form two distinct phenols, phenol ethers, or inorganic
phenolates or mixtures thereof with the aryl rings to which
they are bonded, e.g., [figure] [caption]etc.
Subclass:
186
This subclass is indented under subclass 183. Subject matter
wherein at least one reactant contains three or more
amino-nitrogen atoms.
(1) Note. An amine proper for this subclass requires (a) at
least three distinct nitrogen atoms bonded to at least two
distinct carbon atoms, or (b) the presence of at least three
nitrogen atoms bonded to the same carbon atom. Each nitrogen
atom single or double bonded in the manner set forth above
and consistent with the (1) Note above is an amine. The
following are examples of triamines: [figure]
Subclass:
187
This subclass is indented under subclass 186. Subject matter
wherein a reactant contains three or more carboxylic acid
groups or three or more carboxylic acid derivatives or any
combination thereof.
Subclass:
188
This subclass is indented under subclass 183. Subject matter
wherein a reactant contains three or more carboxylic acid
groups, three or more carboxylic acid derivatives, or
contains a combination thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
184 for an amino-nitrogen containing carboxylic acid or
amino-containing derivative of a carboxylic acid.
Subclass:
189
This subclass is indented under subclass 188. Subject matter
wherein two or more reactants, each containing two or more
carboxylic acid groups, or two or more derivatives of acids,
each containing two or more carboxylic acid groups or a
combination thereof, are utilized.
Subclass:
190
This subclass is indented under subclass 176. Subject matter
wherein at least one reactant contains a fused or bridged
ring structure with the proviso that a cyclic anhydride is
not the only ring fused or bridged to another ring.
(1) Note. A bridged or fused ring system for purposes of
this subclass requires that a given ring system be attached
at two different nuclear atoms of its ring to an atom or
chain of atoms which, when taken together with the two
nuclear atoms, forms an additional ring structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
176 for the reaction of a phenolic reactant with a reactant
containing a carboxylic anhydride group.
Subclass:
191
This subclass is indented under subclass 176. Subject matter
wherein a reactant contains a halogen atom with the proviso
that the halogen atom is other than as a halogen atom bonded
directly to a carbonyl group, i.e., halo.
Subclass:
192
This subclass is indented under subclass 176. Subject matter
wherein at least one reactant contains an ethylenically
unsaturated group.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
Subclass:
193
This subclass is indented under subclass 176. Subject matter
wherein a polymer is derived from at least two or more
phenols, phenol ethers, or inorganic phenolates or mixtures
of two or more phenolic reactants.
Subclass:
194
This subclass is indented under subclass 176. Subject matter
wherein a polymer is derived from two or more polycarboxylic
acids or polycarboxylic acid derivatives.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 183+ for a polymer derived from an
amino-containing polycarboxylic acid or amino-containing
derivative of a polycarboxylic acid, or for a polymer derived
from a non(amino nitrogen)-containing polycarboxylic acid or
non(amino nitrogen)-derivative and an amino-containing
reactant.
Subclass:
195
This subclass is indented under subclass 176. Subject matter
wherein at least one nonphenolic reactant contains at least
two hydroxyl groups or salts thereof.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see "alcohol" in
the Glossary for a definition of the term "hydroxyl group".
Subclass:
196
This subclass is indented under subclass 86. Subject matter
wherein a polymer is derived from a phenol, phenol ether, or
inorganic phenolate and at least one reactant containing a
halo halo, halo, or group.
(1) Note. Within the purview of this area is the
interreaction of a phenolic compound containing a halo or
group with a different phenolic reactant.
Subclass:
198
This subclass is indented under subclass 196. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate is
reacted with a reactant containing a halo halo, halo, or
group in the presence of a specified material.
(1) Note.
(A) For purposes of this subclass non-reactant materials
(specified materials) which are present during a
polymerization reaction and wherein the only metal atoms
therein are Group IA (Li, Na, K, Rb, Cs, Fr) or Group IIA
(Be, Mg, Ca, Sr, Ba, Ra) metal atoms or a mixture thereof,
are not considered as being specified materials.
(B) Compounds which contain at least one Group IA or Group
IIA and at least one other non-Group IA or non-Group IIA
metal atom are proper herein and are classified on the basis
of the non-Group IA or non-Group IIA metal atom.
(C) A mixture of a metal compound specifically excluded
herefrom and another material which can be considered as
being a specified material, per se, is classified herein on
the basis of the specified material, per se.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for an explanation of the term "specified material".
Subclass:
199
This subclass is indented under subclass 198. Subject matter
wherein the specified material is a nitrogen-containing
compound.
Subclass:
200
This subclass is indented under subclass 198. Subject matter
wherein the specified material contains at least one metal
atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of "metals".
Subclass:
201
This subclass is indented under subclass 196. Subject matter
wherein at least one reactant contains a fused or bridged
ring with the proviso that a cyclic anhydride group is not
the sole group fused or bridged to another ring.
(1) Note. A bridged or fused ring system of this subclass
requires that a given ring system be attached at two
different nuclear atoms of its ring to an atom or group of
atoms which, when taken together with the two nuclear atoms,
forms an additional ring system.
Subclass:
202
This subclass is indented under subclass 196. Subject matter
wherein a reactant contains a halogen atom with the proviso
that the halogen atom is other than as a halogen atom bonded
directly to a carbonyl group i.e., halo.
Subclass:
203
This subclass is indented under subclass 196. Subject matter
wherein at least one reactant contains a nitrogen atom.
Subclass:
204
This subclass is indented under subclass 196. Subject matter
wherein a polymer is derived from at least two or more
phenols, phenol ethers, or inorganic phenolates, or mixtures
of two or more phenolic reactants.
Subclass:
205
This subclass is indented under subclass 86. Subject matter
wherein an ethylenically unsaturated phenol, phenol ether, or
inorganic phenolate is a reactant, or wherein a phenol,
phenol ether, or inorganic phenolate is reacted with an
ethylenically unsaturated reactant.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of the term "ethylenically unsaturated".
Subclass:
206
This subclass is indented under subclass 86. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate
containing at least one carboxylic acid group, or a
carboxylic acid derivative thereof is a reactant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
170 for a polymer derived from an imide-containing phenol,
phenol ether, or inorganic phenolate.
176 for a polymer derived from a phenolic reactant and at
least one reactant which is a polycarboxylic acid or a
polycarboxylic acid derivative, and for a definition of what
is considered as being a polycarboxylic acid derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "carboxylic acid".
Subclass:
207
This subclass is indented under subclass 206. Subject matter
wherein a phenol, phenol ether, or inorganic phenolic
reactant containing at least one carboxylic acid group, or
carboxylic acid derivative group is reacted in the presence
of a specified material.
(1) Note.
(A) For purposes of this subclass nonreactant materials
(specified materials) which are present during a
polymerization reaction and wherein the only metal atoms
therein are Group IA (Li, Na, K, Rb, Cs, Fr) or Group IIA(Be,
Mg, Ca, Sr, Ba, Ra) metal atoms or a mixture thereof, are not
considered as being specified materials.
(B) Compounds which contain at least one Group IA or Group
IIA and at least one other non-Group IA or non-Group IIA
metal atom are proper herein and are classified on the basis
of the non-Group IA or non-Group IIA metal atom.
(C) A mixture of a metal compound specifically excluded
herefrom and another material which can be considered as
being a specified material, per se, is classified herein on
the basis of the specified material, per se.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for an explanation of the term "specified material".
Subclass:
208
This subclass is indented under subclass 206. Subject matter
wherein the reactant is a nitrogen-containing material.
Subclass:
209
This subclass is indented under subclass 206. Subject matter
wherein at least one nonphenolic reactant contains at least
two hydroxyl groups or salts thereof.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see "alcohol" in
the Glossary for a definition of the term "hydroxyl group".
Subclass:
210
This subclass is indented under subclass 86. Subject matter
wherein a reactant is a phenol, phenol ether, or inorganic
phenolate containing at least one nitrogen atom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
99 for a polymer derived from a phenolic nitrogen-containing
1, 2-epoxy reactant or from a phenolic nitrogen containing
material and a 1, 2-epoxy reactant.
183 for a polymer derived from at least a polycarboxylic
acid or derivative and at least one phenolic reactant wherein
the phenolic reactant may contain a nitrogen atom.
Subclass:
211
This subclass is indented under subclass 86. Subject matter
wherein a polymer is derived from a phenol ether or inorganic
phenolate and a nitrogen-containing reactant.
Subclass:
212
This subclass is indented under subclass 86. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate
reactant contains only one phenolic hydroxyl or one inorganic
phenolate group.
(1) Note. A compound having a single phenolic hydroxyl or
inorganic phenolate group may, for purposes of this subclass,
contain one or more phenolic ether groups, e.g., [figure]
[caption], etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
219 for a sole phenolic reactant having two or more phenolic
hydroxyl or inorganic phenolate groups.
Subclass:
214
This subclass is indented under subclass 212. Subject matter
wherein the phenolic reactant is polymerized in the presence
of a specified material.
(1) Note.
(A) For purposes of this subclass nonreactant materials
(specified materials) which are present during a
polymerization reaction and wherein the only metal atoms
therein are Group IA (Li, Na, K, Rb, Cs, Fr) or Group IIA
(Be, Mg, Ca, Sr, Ba, Ra) metal atoms or a mixture thereof,
are not considered as being specified materials.
(B) Compounds which contain at least one group IA or Group
IIA and at least one other non-Group IA or non-Group IIA
metal atom are proper herein and are classified on the basis
of the non-group IA or the non-Group IIA metal atom.
(C) A mixture of a metal compound specifically excluded
herefrom and another material which can be considered as
being a specified material, per se, is classified herein on
the basis of the specified material, per se.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for an explanation of the term "specified material".
Subclass:
215
This subclass is indented under subclass 214. Subject matter
wherein the specified material is a nitrogen-containing
compound.
Subclass:
216
This subclass is indented under subclass 215. Subject matter
wherein the specified nitrogen-containing material contains
at least one nitrogen atom as a ring member of a heterocyclic
compound.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
217
This subclass is indented under subclass 214. Subject matter
wherein the specified material contains at least one metal
atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of "metals".
Subclass:
218
This subclass is indented under subclass 212. Subject matter
wherein a polymer is derived from (1) at least two phenolic
reactants each of which contains only a single phenolic
hydroxyl group, or a mixture of inorganic phenolates thereof,
or a mixture of a phenolic reactant containing a single
hydroxyl group and another phenolic reactant which is an
inorganic phenolate of a phenolic reactant containing only a
single hydroxyl group, or (2) wherein a phenolic reactant
containing a single phenolic hydroxyl group or a phenolate
thereof is reacted with a compound containing an ether oxygen
atom bonded to two discrete aryl rings.
Subclass:
219
This subclass is indented under subclass 86. Subject matter
wherein a phenol, phenol ether, or inorganic phenolate
contains two or more phenolic hydroxyl groups, or is an
inorganic phenolate thereof, or contains at least one
phenolic hydroxyl group and at least one inorganic phenolate
group.
Subclass:
220
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
ketone reactant or processes of polymerizing; polymerizable
compositions containing as a reactant a ketone or process of
preparing.
(1) Note. For purposes of this subclass a reactant having a
ketene ( C=C=O) group is considered as being a ketone.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ketone".
526, Synthetic Resins or Natural Rubbers, subclass 316 for a
polymer derived from an ethylenically unsaturated ketone as
sole monomer or for an interpolymer derived from only
ethylenically unsaturated reactants wherein at least one of
the reactants is an ethylenically unsaturated ketone.
Subclass:
222
This subclass is indented under subclass 220. Subject matter
wherein a ketone reactant is polymerized in the presence of a
specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for an explanation of the term "specified material".
Subclass:
223
This subclass is indented under subclass 222. Subject matter
wherein the specified material contains at least one atom of
phosphorus or sulfur.
Subclass:
224
This subclass is indented under subclass 222. Subject matter
wherein the specified material is a nitrogen-containing
compound.
Subclass:
225
This subclass is indented under subclass 222. Subject matter
wherein the specified material contains at least one atom of
boron or at least one atom of a polyvalent metal atom.
(1) Note. Polyvalent metal is limited to elements of atomic
numbers 4, 12, 13, 20-33, 38-51, 56-84, 88, and higher.
Subclass:
226
This subclass is indented under subclass 220. Subject matter
wherein the material is a ketone which is reacted with at
least one sulfur-containing reactant.
Subclass:
227
This subclass is indented under subclass 220. Subject matter
wherein a ketone-containing material is reacted with at least
one aldehyde or derivative.
SEE OR SEARCH THIS CLASS, SUBCLASS:
230 for a definition of an aldehyde or derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of "aldehyde" or "aldehyde derivative".
Subclass:
228
This subclass is indented under subclass 220. Subject matter
wherein a ketone is reacted with at least one
nitrogen-containing reactant.
Subclass:
229
This subclass is indented under subclass 228. Subject matter
wherein a nitrogen reactant contains at least on nitrogen
atom as an amino-nitrogen.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of "amine".
Subclass:
230
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from at
least one aldehyde or derivative as a reactant or processes
of polymerizing; polymerizable compositions containing as a
reactant an aldehyde or derivative or process of preparing.
(1) Note.
(A) An aldehyde derivative for purposes of this subclass
includes
(1) Compounds having a X-CH2OH group wherein X is other than
carbon or hydrogen. Included herein are paraformaldehyde,
methylol derivatives of urea, etc.
(2) Heterocyclic compounds having only carbon and oxygen as
ring atoms in an alternating manner and in equal amount, as
illustrated below. Included herein is trioxane. [figure]
(3) Hexamethylenetetramine or derivative, e.g., as
illustrated below. A derivative of this type requires the
basic ring structure of hexamethylenetetramine but wherein
the hydrogen atoms may have been replaced by other atoms.
[figure]
(2) Note. Compounds having a methylol group (-CH2OH) bonded
to atoms other than carbon, oxygen, or hydrogen are regarded
for this subclass as being two compounds, one of which is
formaldehyde. For instance, a methylol derivative of
melamine is regarded as being a mixture of melamine and
formaldehyde. Methylol urea is regarded as being a mixture of
formaldehyde and urea.
(3) Note. Solid paraformaldehyde polymers will be regarded
as reactants.
SEE OR SEARCH THIS CLASS, SUBCLASS:
403 for heterocyclic oxygen-containing reactants such as
dioxolane, dioxepan, etc.
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition "aldehyde".
523, Synthetic Resins or Natural Rubbers, subclass 1 for the
distinction between that class and this area, and see in
particular, section D in the class definition.
526, Synthetic Resins or Natural Rubbers, subclass 315 for a
polymer derived from an ethylenically unsaturated aldehyde as
sole reactant or for an interpolymer derived from only
ethylenically unsaturated reactants wherein at least one of
the ethylenically unsaturated reactants contains an aldehyde
group.
Subclass:
232
This subclass is indented under subclass 230. Subject matter
wherein an aldehyde or derivative is polymerized in the
presence of a special material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of the term "specified material".
Subclass:
233
This subclass is indented under subclass 232. Subject matter
wherein the specified material contains at least one metal
atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of "metals".
Subclass:
234
This subclass is indented under subclass 233. Subject matter
wherein the specified material contains at least one
transition metal atom.
(1) Note. Transition metal is limited to elements of atomic
numbers 21-29, 39-47, 57-79, 89, and higher.
Subclass:
235
This subclass is indented under subclass 234. Subject matter
wherein the transition metal is a Group VIII metal atom,
i.e., Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt.
Subclass:
236
This subclass is indented under subclass 233. Subject matter
wherein the specified material contains at least one heavy
metal atom.
(1) Note. Since transition metals are not classified herein
subclasses 234+ above, the term "heavy metal" herein is
limited to elements of atomic numbers 30-33, 48-51, 80-84,
and 88.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 234+ for transition metal containing specified
materials.
Subclass:
237
This subclass is indented under subclass 236. Subject matter
wherein the specified material is a Group IVA metal atom,
i.e., Ge, Sn, Pb.
Subclass:
238
This subclass is indented under subclass 233. Subject matter
wherein the specified material contains at least one atom of
aluminum.
Subclass:
239
This subclass is indented under subclass 233. Subject matter
wherein the specified material contains at least one atom of
a Group IA metal (i.e., Li, Na, K, Rb, Cs, Fr).
Subclass:
240
This subclass is indented under subclass 232. Subject matter
wherein the specified material contains at least one atom of
boron.
Subclass:
241
This subclass is indented under subclass 240. Subject matter
wherein the specified material contains one boron atom which
is bonded to three halogen atoms or is an organic complex
wherein at least one boron atom therein is bonded to three
halogen atoms.
Subclass:
242
This subclass is indented under subclass 232. Subject matter
wherein the specified material contains at least one atom of
phosphorus or sulfur.
Subclass:
243
This subclass is indented under subclass 232. Subject matter
wherein the specified material is a nitrogen-containing
compound.
Subclass:
244
This subclass is indented under subclass 230. Subject matter
wherein at least one reactant contains a fluorine or
phosphorus atom.
(1) Note. The fluorine or phosphorus atom may be part of the
aldehyde or derivative or may be a material which is reacted
with the aldehyde or derivative.
Subclass:
245
This subclass is indented under subclass 230. Subject matter
wherein at least one aldehyde is glyoxal or a compound
containing two or more aldehyde groups.
Subclass:
245.3
With a polycarboxylic acid reactant which is a dimer or
trimer of an ethylenically unsaturated aliphatic
monocarboxylic acid having at least ten carbon atoms; or
adduct of said unsaturated monocarboxylic acid with an alpha,
beta ethylenically unsaturated carboxylic acid or
derivative:
This subclass is indented under subclass 230. Subject matter
wherein a polycarboxylic acid reactant which is a dimer or
trimer of ethylenically unsaturated aliphatic monocarbozylic
acid having at least ten carbon atoms, or an adduct of said
unsaturated monocarboxylic acid with an alpha, beta
ethylenically unsaturated acid carboxylic acid or derivatives
is present in addition to said aldehyde or derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of "dimer or trimer of aliphatic
monocarboxylic acid".
Subclass:
245.5
With a reactrant which is a fatty acid glycerol ester, a
fatty acid or salt derived from a naturally occurring
glyceride, tall oil, or a fatty acid derived from tall oil:
This subclass is indented under subclass 230. Subject matter
wherein a reactant which is a fatty acid glycerol ester, a
fatty acid or salt derived from a naturally occurring
glyceride, tall oil, or fatty acid derived from tall oil is
present in addition to said aldehyde or derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see definition of
"fatty acid" in the Glossary for a discussion of terms used
herein.
Subclass:
246
This subclass is indented under subclass 230. Subject matter
wherein at least one reactant contains an ethylenically
unsaturated group with the proviso that a heterocyclic
compound containing only oxygen and carbon atoms as ring
members must possess at least one ethylenically unsaturated
moiety exterior to the ring.
(1) Note. Excluded herein is furfural, furfuryl alcohol,
etc.
(2) Note. A methylene group which is bonded to a
heterocyclic carbon is considered as being exterior to the
heterocyclic ring.
(3) Note. The unsaturation required for this subclass may be
in the aldehyde or derivative thereof, or may be in a
material which is reacted with an aldehyde or derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of the term "ethylenically unsaturated".
Subclass:
247
This subclass is indented under subclass 230. Subject matter
wherein the aldehyde or derivative is reacted with a
hydrocarbon or halogenated hydrocarbon.
(1) Note. Halogenated hydrocarbon for purposes of this
subclass also includes those compounds wherein all of the
hydrogen atoms have been substituted by halogen atoms.
Subclass:
248
This subclass is indented under subclass 230. Subject matter
wherein an aldehyde or derivative is reacted with at least
one heterocyclic reactant, which reactant is a nonaldehyde or
nonaldehyde derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
249
This subclass is indented under subclass 248. Subject matter
wherein the heterocyclic reactant which is not an aldehyde or
derivative of an aldehyde contains at least one oxygen atom
as a ring member of a heterocyclic ring.
Subclass:
250
This subclass is indented under subclass 249. Subject matter
wherein the heterocyclic oxygen atom is part of a
three-membered ring containing one oxygen atom and two carbon
atoms (i.e., 1, 2-epoxy compound).
Subclass:
251
This subclass is indented under subclass 248. Subject matter
wherein the heterocyclic reactant which is not an aldehyde or
a derivative of an aldehyde contains at least one sulfur atom
as a ring member of a heterocyclic ring.
SEE OR SEARCH THIS CLASS, SUBCLASS:
255 for a polymer derived from a sulfur-containing triazine
reactant and an aldehyde or aldehyde derivative.
Subclass:
252
This subclass is indented under subclass 248. Subject matter
wherein the reactant which is not an aldehyde or derivative
contains only two nitrogen atoms as ring members of a
heterocyclic ring.
Subclass:
253
This subclass is indented under subclass 248. Subject matter
wherein the reactant which is not an aldehyde or derivative
contains two or more heterocyclic rings.
(1) Note. Included herein are those reactant compounds
having two distinct heterocyclic ring moieties as well as
those reactant compounds wherein a heterocyclic atom is
shared between two ring moieties (i.e., fused or bridged
rings).
Subclass:
254
This subclass is indented under subclass 248. Subject matter
wherein the reactant which is not an aldehyde or derivative
contains a six-membered ring having three nitrogen atoms and
three carbon atoms as ring members.
Subclass:
255
This subclass is indented under subclass 254. Subject matter
wherein the heterocyclic reactant having three nitrogen atoms
and three carbon atoms as ring members contains at least one
atom of sulfur.
Subclass:
256
This subclass is indented under subclass 254. Subject matter
wherein a reactant containing a or group is utilized in
preparing a polymer and wherein the or reactant is not an
aldehyde or aldehyde derivative, or a compound having a
six-membered heterocyclic ring containing three nitrogen and
three carbon atoms as ring members.
Subclass:
257
This subclass is indented under subclass 254. Subject matter
wherein a reactant containing an extracyclic carbon atom
bonded to at least three nitrogen atoms is utilized in
preparing a polymer and wherein the reactant, as illustrated
below, is not (1) an aldehyde or aldehyde derivative, or (2)
a compound having a six-membered heterocyclic ring containing
three nitrogen and three carbon atoms as ring members.
[figure]
(1) Note. Extracyclic carbon as used in this subclass
denotes a carbon atom which is not a ring atom of a
ring-containing compound.
Subclass:
258
This subclass is indented under subclass 254. Subject matter
wherein the heterocyclic reactant containing three nitrogen
atoms and three carbon atoms is other than melamine, per se,
or a methylol (-CH[subscrpt]2[end subscrpt]OH) derivative
thereof.
(1) Note. The materials herein excluded are melamine, i.e.,
as illustrated below, or its derivatives wherein one or more
of the available hydrogen atoms of melamine have been
substituted by -CH[subscrpt]2[end subscrpt]OH groups.
[figure]
Subclass:
259
This subclass is indented under subclass 230. Subject matter
wherein an aldehyde or its derivatives is reacted with at
least one reactant which contains a group and wherein X is
a chalcogen atom (O, S, Se, or Te).
Subclass:
260
This subclass is indented under subclass 259. Subject matter
wherein two or more reactants containing groups are
utilized, and wherein X is O, S, Se, or Te.
Subclass:
261
This subclass is indented under subclass 259. Subject matter
wherein at least one reactant is a nonaldehyde or derivative
or non group- (X is O, S, Se, or Te) containing
material.
Subclass:
262
This subclass is indented under subclass 261. Subject matter
wherein the nonaldehyde or derivative or non -containing
reactant NX is O, S, Se, or Te) is a nitrogen-containing
material.
Subclass:
263
This subclass is indented under subclass 262. Subject matter
wherein the non- reactant (X is O, S, Se, or Te or
nonaldehyde or derivative reactant is an organic compound
containing two or more amino groups.
(1) Note. An amine proper for this subclass requires (a) at
least two distinct nitrogen atoms bonded to at least two
distinct carbon atoms, or (b) the presence of at least two
nitrogen atoms bonded to the same carbon atom. Each nitrogen
atom, single or double bonded, set forth above and consistent
with the definitiom referred to in the Search Note below is
the nitrogen of an amine.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "amine".
Subclass:
264
This subclass is indented under subclass 259. Subject matter
wherein X the - containing reactant is other than urea or
thiourea, per se.
(1) Note. The materials excluded herein are urea, per se,
i.e., or thiourea, per se, i.e.,
Subclass:
265
This subclass is indented under subclass 230. Subject matter
wherein a sulfur-containing aldehyde or aldehyde derivative
is utilized as a reactant, or wherein an aldehyde or aldehyde
derivative is reacted with a sulfur-containing material.
Subclass:
266
This subclass is indented under subclass 230. Subject matter
wherein an aldehyde or aldehyde derivative is reacted with at
least one nitrogen-containing reactant and which
nitrogen-containing reactant is not an aldehyde or aledhyde
derivative.
Subclass:
267
This subclass is indented under subclass 266. Subject matter
wherein the nitrogen-containing reactant which is not an
aldehyde or aldehyde derivative is a nitrile group-containing
material.
(1) Note. A nitrile for purposes of this subclass requires:
(A) The structure wherein n is an integer and wherein the C
atom is not double bonded to oxygen, selenium, or tellurium.
(B) The structure wherein n is an integer.
(C) The structure wherein n is an integer and X is, or a
derivative, i.e., salt, ester, amide, imide, lactam, lactone,
anhydride, or nitrile.
Subclass:
268
This subclass is indented under subclass 266. Subject matter
wherein the nitrogen-containing reactant which is not an
aldehyde or aldehyde derivative contains at least one carbon
atom bonded to at least three nitrogen atoms.
Subclass:
269
This subclass is indented under subclass 266. Subject matter
wherein the nitrogen-containing reactant which is not an
aldehyde or aldehyde derivative contains only a single
amino-nitrogen atom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
266 for a polyamine reactant.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "amine".
Subclass:
270
This subclass is indented under subclass 230. Subject matter
wherein a polymer is derived solely from reactants which are
aldehydes or aldehyde derivatives or mixtures thereof.
Subclass:
271
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from at
least one carboxylic acid or carboxylic acid derivative or
processes of polymerizing; polymerizable composition
containing as a reactant a carboxylic acid or derivative or
process of preparing.
(1) Note. A derivative of a carboxylic acid is limited to a
nitrile, ester, anhydride, salt, amide, imide, lactam,
lactone, and acyl halide.
(2) Note. A carboxylic acid denotes:
(A1) The structure wherein n is one or greater and the C-
atom is not double bonded to oxygen, sulfur, selenium, or
tellurium, or is not triple bonded to nitrogen.
(A2) The structure wherein n is one or greater, e.g., formic
acid when n=1.
(A3) The structure wherein n is an integer, e.g., oxalic
acid when n=1.
(B1) The structure wherein n is one or more and the
carbon atom bonded to thegroup and the carbon atom single
bonded to the oxygen atom of the group is not double bonded
to oxygen, sulfur, selenium, or tellurium, or triple bonded
to nitrogen.
(B2) The structure wherein the atom single bonded to the
group is not double bonded to oxygen, sulfur, selenium, or
tellurium, or is not triple bonded to nitrogen.
(B3) The structure wherein n is an integer and X is or a
derivative as defined in the (1) Note of this subclass.
A carboxylic acid amide denotes:
(C1) The structure wherein n is one or greater and the atom
bonded to the group is not double bonded to oxygen, sulfur,
selenium, or tellurium, or triple bonded to nitrogen.
(C2) The structure wherein n is one or greater.
(C3) The structure wherein n is an integer and X isor a
derivative as defined in the (1) Note of this subclass.
A nitrile for purposes of this subclass denotes:
(D1) The structure wherein n is an integer and wherein
the atom is not double bonded to oxygen, sulfur, selenium, or
tellurium.
(D2) The structure wherein n is an integer.
(D3) The structure wherein n is an integer and x is or a
derivative, i.e., salt, ester, amide, imide, lactam, lactone,
anhydride, or nitrile.
A carboxylic acid anhydride denotes:
(E1) The structure wherein n is one or more and wherein the
carbon atom bonded to the group is not double bonded to
oxygen, sulfur, selenium, or tellurium.
(E2) The structure wherein n is an integer, X is or a
carboxylic acid derivcative as defined in the (1) Note of
this subclass.
(E3) The structure In E1, E2, and E3 the group may be
joined together in a ring. An acyl halide of a carboxylic
acid denotes:
(F1) The structure wherein n is one or more and wherein the
carbon atom bonded to group is not double bonded to oxygen,
sulfur, selenium, or tellurium.
(F2) The structure halo wherein n is one or more.
(F3) The structure halo wherein n is an integer and X is or
a carboxylic acid derivative as defined in the (1) Note of
this subclass.
(G) A carboxylic acid imide denotes the structure wherein n
and x are one or more, as illustrated below. [figure]
(H) The lactam of a carboxylic acid denotes the structure
wherein n and x are one or more as illustrated below.
[figure]
(I) The lactone of a carboxylic acid denotes the structure,
illustrated below, wherein x and n are one or more and the
carbon atom bonded to the group and the carbon atom single
bonded to the oxygen atom of the group are not double
bonded to oxygen, sulfur, selenium, or tellurium, or triple
bonded to nitrogen. [figure]
(J1) The salt of a carboxylic acid denotes the structure,
illustrated below, wherein n is one or more and the group
and the X component are held together primarily by ionic
forces: the carbon atom bonded to thegroup is not double
bonded to oxygen, sulfur, or tellurium, or triple bonded to
nitrogen. [figure]
(J2) The structure, illustrated below, wherein n is one or
more and the group and the X component are held together
primarily by ionic forces. [figure]
(J3) The structure, illustrated below, wherein n is an
integer. Z is or a derivative as defined in the (1) Note of
this subclass and wherein the X component and the component
are held together primarily by ionic forces. [figure]
(3) Note. In the above definitions of carboxylic acid and
their derivatives, certain compounds may have more than one
function (e.g., a lactone is a species of ester, a lactam is
a species of an amide). Compounds which are multifunctional
are classified on the basis of the first-appearing function
provided in the subclass hierarchy.
(4) Note. A polycarboxylic acid reactant for purposes of
this subclass requires the presence of at least two
carboxylic acid groups. A polycarboxylic acid derivative
requires at least one carboxylic acid group and at least one
carboxylic acid derivative, or at least two identical
carboxylic acid derivatives, or at least two different
carboxylic acid derivatives. See (1) Note above for an
explanation of the term "derivative".
(5) Note. For purposes of this subclass an anhydride having
the general formula, which may be linear or cyclic is
considered as being a polycarboxylic acid. A compound having
both an anhydride and a free carboxylic acid is considered as
being a tricarboxylic acid, e.g. as in the first illustration
below, and a compound containing two anhydride groups is
considered as being a tetracarboxylic acid, e.g., as in the
second illustration, below. [figure] [figure]
(6) Note. An imide is considered as being a dicarboxylic
acid derivative.
(7) Note. An organic amine salt of a carboxylic acid has
been classified as if it were a mixture of an amine and a
carboxylic acid. An organic diamine salt of a dicarboxylic
acid where the amine salt-forming groups are identical is
considered as being a single amine compound; whereas if the
amine groups are different then they are regarded as two
amine compounds. Where the compound contains two or more
nitrogen atoms bonded to the same or different noncarbonyl
carbon atom then they are to be regarded as polyamines.
SEE OR SEARCH THIS CLASS, SUBCLASS:
170 for the reaction of an imide-containing phenolic
reactant or for the reaction of a phenolic reactant with an
imide-containing reactant.
263 see (2) Note for an explanation of the term
"polyamine".
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, for a definition of
the term "amine".
Subclass:
272
This subclass is indented under subclass 271. Subject matter
involving a polymer derived (1) from one or more di- or
higher esters of a polycarboxylic acid as the sole reactant
or reactants, or (2) from at least a polycarboxylic acid or
derivative thereof and at least a compound containing two or
more hydroxyl groups or salts thereof.
(1) Note. A hydroxyl group denotes the bonding of an -OH
group to a carbon atom and wherein the carbon atom is not
double bonded to oxygen, sulfur, selenium, or tellurium, or
triple bonded to nitrogen.
(2) Note. A compound containing two or more hydroxyl groups
or salts thereof requires (a) at least two distinct -OH or
salt groups bonded to different carbon atoms, e.g.,
HO-CH2-CH2-OH, etc., or (b) two or more -OH or salt groups
bonded to the same carbon atom, e.g., [figure]
[caption]etc.
(3) Note. A compound which contains a single C-OH
group and a single C-O salt group is proper for this
subclass.
(4) Note. A claim which recites the aftertreatment of a
solid polymer wherein no preparation of said polymer is
claimed is not proper for this subclass. See Search Notes,
infra.
SEE OR SEARCH THIS CLASS, SUBCLASS:
481 for (a) the process of heating particles of polyethlene
terephthalate at 250 deg.C in an affluent gaseous stream of
nitrogen to increase the polymer's molecular weight. and (2)
the process of condensing a polyester precondensate havinga
relative viscosity of 1.05-1.15 at 220 deg.C-280 deg.&KHgr;
&ugr;&ngr;δϵρ
ρϵδ&ugr;χϵδ
&pgr;ρϵσσ&ugr;ρϵ.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, II, B, 2 in the
class definition for a definition of what constitutes a solid
polymer. Also, terms such as relative viscosity, intrinsic
viscosity and polymer melt also connote a solid polymer.
525, Synthetic Resins or Natural Rubbers, subclass 437, for
heating of solid polyethylene terephthalate in the presence
of P[subscrpt]2[end subscrpt]O[subscrpt]5[end subscrpt]
dehydrating agent.
Subclass:
274
This subclass is indented under subclass 272. Subject matter
wherein (1) one or more di- or higher esters of a carboxylic
as sole reactant, or (2) a polycarboxylic acid or derivative
thereof and a reactant containing two or more hydroxyl groups
or salts thereof are polymerized in the presence of a
specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for an explanation of the term "specified material".
Subclass:
275
This subclass is indented under subclass 274. Subject matter
wherein the specified material contains at least one metal
atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of "metals".
Subclass:
276
This subclass is indented under subclass 275. Subject matter
wherein the metal atom is in the elemental state.
(1) Note. An alloy is considered as being a mixture of
elemental metals and is proper for this subclass.
Subclass:
277
This subclass is indented under subclass 275. Subject matter
wherein the specified material contains at least one atom of
a transition metal.
(1) Note. Transition metal atom is limited to elements of
atomic numbers 21-29, 39-47, 57-79, 89, and higher.
Subclass:
278
This subclass is indented under subclass 277. Subject matter
wherein the specified material contains at least one
transition metal of atomic numbers 57-71 or 89 and higher.
Subclass:
279
This subclass is indented under subclass 277. Subject matter
wherein the specified material contains at least one Group
IVB transition metal atom (i.e., Ti, Zn, Hf).
Subclass:
280
This subclass is indented under subclass 277. Subject matter
wherein the specified material contains at least one Group
VIII metal atomi (i.e., Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt).
Subclass:
281
This subclass is indented under subclass 275. Subject matter
wherein the specified material contains a Group IIB metal
atom (i.e., Zn, Cd, Hg).
Subclass:
282
This subclass is indented under subclass 275. Subject matter
wherein the specified material contains a Group IIIA metal
atom (i.e., Al, Ga, In, Tl).
Subclass:
283
This subclass is indented under subclass 275. Subject matter
wherein the specified material contains a Group IVA metal
atom, i.e., Ge, Sn, Pb.
Subclass:
284
This subclass is indented under subclass 283. Subject matter
wherein the specified material contains at least one atom of
lead.
Subclass:
285
This subclass is indented under subclass 275. Subject matter
wherein the specified material contains a Group VA metal atom
(i.e., As, Sb, Bi).
Subclass:
286
This subclass is indented under subclass 274. Subject matter
wherein the specified material contains at least one
phosphorus atom.
Subclass:
287
This subclass is indented under subclass 272. Subject matter
wherein at least one reactant contains a phosphorus atom.
(1) Note. The phosphorus atom may be in a polycarboxylic
acid or in a derivative thereof, or it may be in a
polyhydroxyl compound or in a salt thereof, or it may be in
an additional reactant.
Subclass:
288
This subclass is indented under subclass 272. Subject matter
wherein at least one reactant contains a nitrogen atom.
(1) Note. The nitrogen atom may be in a carboxylic acid or
derivative thereof, or it may be in a polyhydroxyl compound
or salt thereof, or it may be in an additional reactant.
Subclass:
289
This subclass is indented under subclass 288. Subject matter
wherein a final polymeric product contains a heterocyclic
ring having a nitrogen atom as a ring member.
(1) Note. The final product may be formed from a
heterocyclic reactant having a nitrogen atom as a ring member
or may be formed from a nonheterocyclic nitrogen-containing
compound. The sole requirement for placement in this subclass
is that the final product contain a nitrogen atom as a ring
member of a heterocyclic ring.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
290
This subclass is indented under subclass 288. Subject matter
wherein a reactant contains at least one sulfur atom.
(1) Note. The sulfur and nitrogen atoms required for this
subclass may be in the same reactant or may be in different
reactants.
Subclass:
291
This subclass is indented under subclass 288. Subject matter
wherein a nitrogen atom is part of a compound containing two
or more hydroxyl groups or is a salt thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 288+ for a salt of a non-nitrogen-containing
polyhydroxyl compound wherein nitrogen is solely present in
the cation moiety.
Subclass:
292
This subclass is indented under subclass 288. Subject matter
wherein a nitrogen atom is part of polycarboxylic acid, or is
part of a derivative thereof, or is a nitrogen-containing
derivative of a nonnitrogen-containing polycarboxylic acid.
Subclass:
293
This subclass is indented under subclass 272. Subject matter
wherein at least one reactant contains a sulfur atom.
(1) Note. The sulfur atom may be in polycarboxylic acid or
in a derivative thereof, or it may be in a polyhydroxyl
compound or in a salt thereof, or it may be in an additional
reactant.
Subclass:
294
This subclass is indented under subclass 293. Subject matter
wherein a sulfur atom is part of a compound containing two or
more hydroxyl groups or is a salt thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 293+ for salt of a nonsulfur-containing
polyhydroxyl compound wherein sulfur is solely present in the
cation moiety.
Subclass:
295
This subclass is indented under subclass 293. Subject matter
wherein at least one reactant contains at least one atom of
sulfur and at least one aromatic ring.
Subclass:
295.3
Polycarboxylic acid reactant which is a dimer or trimer of an
ethylenically unsaturated aliphatic monocarboxylic acid
having at least ten carbon atoms; or adduct of said
unsaturated monocarboxylic acid with an alpha, beta
ethylenically unsaturated carboxylic acid or derivative:
This subclass is indented under subclass 272. Subject matter
wherein there is at least one polycarboxylic reactant which
is a dimer or trimer of ethylenically unsaturated aliphatic
monocarboxylic acid having at least ten carbon atoms, or an
adduct of said unsaturated monocarboxylic acid with an alpha,
beta ethylenically carboxylic acid or derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of "dimer or trimer of an aliphatic
monocarboxylic acid".
Subclass:
295.5
Reactant which is a fatty acid glycerol ester, fatty acid or
salt derived from a naturally occurring glyceride, tall oil,
or a fatty acid derived from tall oil:
This subclass is indented under subclass 272. Subject matter
wherein there is at least one reactant which is a fatty acid
glycerol ester; a fatty acid or salt derived from a naturally
occurring glyceride, tall oil, or a fatty acid derived from
tall oil.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the definition
of "fatty acid" in the Glossary for a discussion of the terms
used herein.
Subclass:
296
This subclass is indented under subclass 272. Subject matter
wherein at least one reactant is present which contains three
or more carboxylic acid groups, or wherein a reactant is
present which contains three or more carboxylic acid
derivative groups, or mixtures thereof (e.g., trimellitic
acid, pyromellitic tetracarboxylic acid dianhydride, etc.).
(1) Note. For purposes of this subclass an anhydride having
the general formula, which may be linear or cyclic is
considered as being a polycarboxylic acid. A compound having
both an anhydride and a free carboxylic acid is considered as
being a tricarboxylic acid, e.g., as shown below in the first
illustration, and a compound containing two anhydride groups
is considered as being a tetracarboxylic acid, e.g., as shown
below in the second illustration. [figure] [figure]
Subclass:
297
This subclass is indented under subclass 272. Subject matter
wherein at least one reactant contains a heterocyclic ring
solely composed of two carbon atoms and one oxygen atom as
ring members.
(1) Note. The 1, 2-epoxy ring may be part of the carboxylic
acid or derivative or may be part of an additional reactant.
Subclass:
298
This subclass is indented under subclass 272. Subject matter
wherein at least one reactant contains a fused or bridged
ring with the proviso that the cyclic anhydride group is not
the sole group fused or bridged to another ring.
(1) Note. A bridged or fused ring system for purposes of
this subclass requires that a given ring system be attached
at two different nuclear atoms of its ring system to an atom
or chain of atoms which, when taken together with the two
nuclear atoms, forms an additional ring structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 308+ for phthalic acid anhydride as a reactant.
Subclass:
299
This subclass is indented under subclass 272. Subject matter
wherein a reactant contains a halogen atom with the proviso
that the halogen atom is other than as a halogen atom bonded
directly to a carbonyl group (i.e., halo).
Subclass:
300
This subclass is indented under subclass 272. Subject matter
wherein a reactant containing two or more hydroxyl groups or
a salt thereof contains at least one ether oxygen atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ether".
Subclass:
301
This subclass is indented under subclass 300. Subject matter
wherein the ether reactant is devoid of any cycloaliphatic,
aromatic, or heterocyclic ring.
Subclass:
302
This subclass is indented under subclass 272. Subject matter
wherein a reactant mixture contains two or more carboxylic
acids, or at least two carboxylic acid derivatives, or a
mixture of at least one carboxylic acid and a carboxylic acid
derivative.
Subclass:
303
This subclass is indented under subclass 302. Subject matter
wherein at least one carboxylic acid reactant contains
ethylenic unsaturation, or wherein at least a derivative of a
carboxylic acid contains ethylenic unsaturation.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
Subclass:
304
This subclass is indented under subclass 303. Subject matter
wherein (1) at least one reactant is an ethylenically
unsaturated aromatic carboxylic acid or is a derivative
thereof, or (2) the mixture contains as a reactant at least
one ethylenically unsaturated carboxylic acid or derivative
thereof, and at least one aryl-containing carboxylic acid or
derivative thereof.
Subclass:
305
This subclass is indented under subclass 302. Subject matter
wherein each of the carboxylic acids or derivatives contains
at least one aryl group.
Subclass:
306
This subclass is indented under subclass 272. Subject matter
wherein a reactant is an ethylenically unsaturated carboxylic
acid or a derivative of an ethylenically unsaturated
carboxylic acid (e.g., maleic anhydride, etc.).
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
Subclass:
307
This subclass is indented under subclass 272. Subject matter
wherein at least one reactant contains a ring solely composed
of carbon atoms and is nonaromatic.
Subclass:
308
This subclass is indented under subclass 272. Subject matter
wherein at least one reactant is an aryl-containing
dicarboxylic acid or a derivative of an aryl-containing
dicarboxylic acid.
Subclass:
308.1
Polyethylene terephthalate, per se:
This subclass is indented under subclass 308. Subject matter
wherein the process involves either ethylene glycol and
terephthalic acid, per se; ethylene glycol and dimethyyl
terephthalate; or bis(hydroxyethyl)terephthalate as sole
reactant(s) or the preparation of a solid polymer having the
sole repeating units of the structure, below, "or products
thereof." [figure]
(1) Note. A polymer described as polyethylene terephthalate
is presumed to be derived from the starting monomers of this
subclass or to have the structure above, unless the patent
otherwise specifies.
SEE OR SEARCH THIS CLASS, SUBCLASS:
308.6 for processes of preparing other polyesters derived
from terephthalic acid or substituted forms thereof.
Subclass:
308.2
Physically after-treated solid polymer:
This subclass is indented under subclass 308.1. Subject
matter wherein the polymer claimed has been treated by
physical means, such as stretching, heating, cutting,
spinning, etc., in order to change the physical properties of
the polymer.
(1) Note. The specification may be read in conjunction with
the claims to determine whether the polymer has been
physically treated within the meaning of this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of treating a polymer by
chemical means in order to change physical, but not chemical
properties of the polymer and for processes of chemically
modifying polymers solely by physical processes in the
absence of a chemical treating agent.
SEE OR SEARCH CLASS:
264, Plastic and Nonmetallic Article Shaping or Treating:
Processes, appropriate subclasses, for processes for
preparation of a polymer wherein a significant molding step,
such as spinning into a specifically named bath, is recited
and note especially subclasses 340+ for processes in which
preformed, shaped or solid articles are subjected to
treatment, including all procedures in which the chemical or
physical properties or characteristics of a work piece are
modified or controlled by other than mechanically shaping by
contacting the work with a solid shaping member.
525, Synthetic Resins or Natural Rubbers, subclasses 50+, for
processes of chemically modifying solid polymers in the
presence of a chemical treating agent or reactant or products
thereof.
Subclass:
308.3
Processes of preparing:
This subclass is indented under subclass 308.1. Subject
matter wherein the process of polymerization involving the
stated reactants is claimed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
308.1 for products of the such processes.
Subclass:
308.4
In presence of hydrocarbon, steam or water:
This subclass is indented under subclass 308.3. Subject
matter wherein at least one step of the process utilizes
either a compound derived solely from carbon and hydrogen,
water or steam.
(1) Note. An aqueous acid or base solution is classified
herein provided the acid or base is not specified; for
example, claims drawn to "an aqueous base" would be
classified herein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
274 for claims drawn to inter alia an aqueous solution of a
specified base; e.g., aqueous ammonia.
Subclass:
308.5
At least two claimed distinct temperature or pressure
gradients:
This subclass is indented under subclass 308.3. Subject
matter wherein the process involves at least two distinct
gradients, either temperature and/or pressure.
(1) Note. A temperature range, such as 273 deg.C - 283 deg.C
or "a temperature less than 300 deg.C, "is considered to be
one distinct gradient for this subclass. A temperature
described as commencing at 273 deg.C and gradually being
increased to 283 deg.C is considered to be "at least two
distinct gradients" for purposes of this subclass.
Subclass:
308.6
Contains terephthalic acid or substituted forms thereof:
This subclass is indented under subclass 308. Subject matter
wherein the process involves terephthalic acid or substituted
forms thereof or products thereof.
Subclass:
308.7
Derived from at least two reactants simultaneously containing
a C - OH group:
This subclass is indented under subclass 308.6. Subject
matter wherein the process involves simultaneously at least
two reactants having at least one C - OH group or products
thereof.
(1) Note. The two alcohol reactants are not considered to
react simultaneously for purposes of this subclass when one
reactant has completely reacted with another material before
the addition of the second alcohol reactant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
308.6 or 308.8+, for processes involving two reactants
containing an alcohol group wherein the two reactants are not
involved simultaneously.
Subclass:
308.8
Processes of preparing:
This subclass is indented under subclass 308.6. Subject
matter wherein a polymerization process involving the stated
reactants is claimed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
308.6 or 308.7, for products prepared by a process involving
this subclass.
Subclass:
309.1
At least two claimed distinct temperature or pressure
gradients:
This subclass is indented under subclass 308.8. Subject
matter wherein the process involves at least two distinct
gradients, either temperature and/or pressure.
(1) Note. A temperature range, such as 273 deg.C - 283 deg.C
or a "temperature less than 300 deg.C," is considered to be
one distinct gradient for this subclass. A temperature
described as commencing at 273 deg.C and gradually being
increased to 283 deg.C is considered to be "at least two
distinct gradients" for purposes of this subclass.
Subclass:
310
This subclass is indented under subclass 271. Subject matter
involves a polymer derived from an imide, lactam, or from an
amino-nitrogen-containing carboxylic acid or from a
derivative of an amino-nitrogen-containing carboxylic acid.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "amine".
Subclass:
312
This subclass is indented under subclass 310. Subject matter
wherein an imide, lactam, or an amino-nitrogen-containing
carboxylic acid or a derivative thereof is polymerized in the
presence of a specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of the term "specified material".
Subclass:
313
This subclass is indented under subclass 312. Subject matter
wherein the specified material contains a phosphorus or
sulfur atom.
Subclass:
314
This subclass is indented under subclass 312. Subject matter
wherein the specified material contains at least one nitrogen
atom as a ring member of a heterocyclic ring with the proviso
that the sole heterocyclic ring is not a lactam.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
315
This subclass is indented under subclass 312. Subject matter
wherein the specified material contains at least one
nitrogen-containing compound.
(1) Note. A lactam utilized as a specified material is
excluded herefrom and is classified below as a specified
material on some other basis. A compound, however, which
contains a nitrogen atom in addition to the nitrogen atom of
a lactam ring is proper for this subclass.
Subclass:
316
This subclass is indented under subclass 312. Subject matter
wherein the specified material is a ketone or aldehyde.
(1) Note. The term "aldehyde" herein does not include
aldehyde derivatives, such as acetals or hemiacetals.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the terms "ketone" and "aldehyde".
Subclass:
317
This subclass is indented under subclass 312. Subject matter
wherein the specified material is an alcohol, ether, or
inorganic alcoholate.
SEE OR SEARCH THIS CLASS, SUBCLASS:
319 for a polyvalent metal-containing specified material
when a metal atom is not part of an inorganic alcholate.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the terms "alcohol" and "ether".
Subclass:
318
This subclass is indented under subclass 312. Subject matter
wherein the specified material is a carboxylic acid, acyl
halide thereof, ester thereof, or lactone thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
271 for a definitions of the types of chemical compounds
specified herein.
Subclass:
319
This subclass is indented under subclass 312. Subject matter
wherein the specified material contains a polyvalent metal
atom.
(1) Note. Polyvalent metal is limited to elements of atomic
numbers 4, 12, 13, 20-33, 38-51, 56-84, 88, and higher.
Subclass:
320
This subclass is indented under subclass 312. Subject matter
wherein the specified material contains an atom of silicon.
Subclass:
321
This subclass is indented under subclass 310. Subject matter
wherein a reactant contains a phosphorus or sulfur atom.
(1) Note. The phosphorus or sulfur atom may be part of an
imide, lactam, or amino-containing carboxylic acid or
derivative, or may be part of a coreactant.
Subclass:
322
This subclass is indented under subclass 310. Subject matter
wherein a reactant contains an imide group.
Subclass:
323
This subclass is indented under subclass 310. Subject matter
wherein a reactant contains a lactam group.
Subclass:
324
This subclass is indented under subclass 323. Subject matter
wherein a polymer has been derived from at least three
reactants with the proviso that one reactant is a
lactam-containing material, a second reactant is a carboxylic
acid or derivative, and a third derivative is a compound
containing two or more amino-nitrogen atoms.
(1) Note. This subclass provides for the reaction of two
lactam reactants and a single polyamine reactant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
263 (2) Note. for an explanation of the term "polyamine".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "amine".
Subclass:
325
This subclass is indented under subclass 323. Subject matter
wherein a polymer has been derived from (1) at least two
lactam-containing reactants, or (2) at least one lactam
reactant and (a) at least one amino-containing carboxylic
acid, or (b) at least a derivative of an amino-containing
carboxylic acid.
Subclass:
326
This subclass is indented under subclass 323. Subject matter
wherein a lactam reactant contains three to five carbon atoms
in a lactam ring, or 12 or more carbon atoms in a lactam
ring.
Subclass:
327
This subclass is indented under subclass 310. Subject matter
wherein at least one reactant contains a heterocyclic ring
atom, or wherein one reactant contains at least one nitrogen
atom bonded directly to another nitrogen atom.
(1) Note. Included in this subclass are n-carboanhydrides.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
328
This subclass is indented under subclass 310. Subject matter
wherein the amino-carboxylic acid reactant contains a group
(n is one or more) or is a carboxylic acid derivative
thereof, and wherein the nitrogen atom bonded to the single
carbon atom which is bonded to the group may be bonded to any
other atom other than to a carbon atom which is double bonded
to oxygen, sulfur, selenium, or tellurium or triple bonded to
a nitrogen atom.
Subclass:
329.1
This subclass is indented under subclass 310. Subject matter
wherein a polymer has been derived from at least three
reactants with the proviso that (1) at least one reactant is
an amino-containing carboxylic acid or carboxylic acid
derivative of an amino-containing carboxylic acid; (2) a
second reactant is a carboxylic acid or derivative which is
devoid of any amino groups, and (3) a third reactant is
polyamine which is devoid of any carboxylic acid groups or
carboxylic acid derivative groups.
SEE OR SEARCH THIS CLASS, SUBCLASS:
263 (2) Note, for an explanation of the term "polyamine".
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "amine".
Subclass:
330
This subclass is indented under subclass 310. Subject matter
wherein at least one reactant contains a saturated
carbocyclic ring.
(1) Note. The term as utilized herein includes a fused or
bridged ring system.
Subclass:
331
This subclass is indented under subclass 310. Subject matter
wherein at least one reactant contains an aromatic ring.
Subclass:
332
This subclass is indented under subclass 271. Subject matter
wherein a polymer is derived from at least one reactant which
is an organic amine salt of a carboxylic acid, or wherein a
carboxylic acid or carboxylic acid derivative is reacted with
an organic amine.
(1) Note. An organic amine salt of a carboxylic acid has
been classified as if it were a mixture of an amine and a
carboxylic acid. An organic diamine salt of a dicarboxylic
acid where the amine salt-forming groups are identical is
considered as being a single amine compound; whereas if the
amine groups are different then they are regarded as two
amine compounds. Where the compound contains two or more
nitrogen atoms bonded to the same or different noncarbonyl
carbon atom then they are to be regarded as polyamines.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "amine'.
Subclass:
335
This subclass is indented under subclass 332. Subject matter
wherein a polymer is derived from a dicarboxylic acid or from
a dicarboxylic acid derivative thereof and an organic amine,
or wherein a reactant is an organic amine salt of a
dicarboxylic acid or derivative.
(1) Note. The reactant may be the monoamine salt of a
dicarboxylic acid, the diamine salt thereof, or it may be the
diamine or monoamine salt of a dicarboxylic acid derivative.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 350+ for polymers derived from a tri or higher
carboxylic acid or derivative and a polyamine.
Subclass:
336
This subclass is indented under subclass 335. Subject matter
wherein an organic amine salt of a dicarboxylic acid or
derivative is polymerized, or wherein a dicarboxylic acid or
derivative thereof and an organic amine are polymerized in
the presence of a specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
337
This subclass is indented under subclass 335. Subject matter
wherein at least one reactant contains a phosphorus or sulfur
atom.
Subclass:
338
This subclass is indented under subclass 335. Subject matter
wherein a polymer is derived from at least four reactants,
two of which are dicarboxylic acids or carboxylic acid
derivatives and two of which are organic polyamines.
(1) Note. Two compounds which are organoamine salts of two
different dicarboxylic acids, wherein each of the two amine
salts are different and wherein each in its own right is a
polyamine, would meet the requirements of this subclass. In
addition, a carboxylic acid in admixture with a diamine salt
of a different dicarboxylic acid, wherein each of the diamine
salts are different and wherein each is a polyamine, would be
properly classified herein.
Subclass:
339
This subclass is indented under subclass 335. Subject matter
wherein a polymer is derived from at least two dicarboxylic
acids or at least two dicarboxylic acid derivatives.
Subclass:
339.3
Polycarboxylic acid reactant which is a dimer or trimer of an
ethylenically unsaturated aliphatic monocarboxylic acid
having at least ten carbon atoms; or adduct of said
unsaturated monocarboxylic acid with an alpha, beta
ethylenically unsaturated carboxylic acid or derivative:
This subclass is indented under subclass 339. Subject matter
wherein there is at least one reactant which is a dimer or
trimer or ethylenically unsaturated aliphatic monocarboxylic
acid having at least ten carbon atoms, or adducts of said
unsaturated monocarboxylic acids with an alpha, beta
ethylenically unsaturated carboxylic acid or derivative.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of "dimer or trimer of an aliphatic
monocarboxylic acid".
Subclass:
339.5
Reactant which is a fatty acid glycerol ester, a fatty acid
or salt derived from a naturally occurring glyceride, tall
oil, or a fatty acid derived from tall oil:
This subclass is indented under subclass 339. Subject matter
wherein there is at least one reactant which is a fatty acid
glycerol ester, a fatty acid or salt derived from a naturally
occurring glyceride, tall oil, or a fatty acid derived from
tall oil.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the definition
of "fatty acid" in the Glossary for a discussion of terms
used herein.
Subclass:
340
This subclass is indented under subclass 335. Subject matter
wherein a polymer is derived from at least two organic
polyamines.
(1) Note. An organodiamine salt of a dicarboxylic acid,
wherein each of the diamine salt groups are different and
wherein each is a polyamine, would be properly classified
herein.
Subclass:
341
This subclass is indented under subclass 335. Subject matter
wherein at least one reactant contains a heterocyclic ring
with the proviso that the sole heterocyclic group is not a
dicarboxylic acid anhydride.
SEE OR SEARCH THIS CLASS, SUBCLASS:
310 for an imide or lactam-containing reactant.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic'.
Subclass:
342
This subclass is indented under subclass 335. Subject matter
wherein at least one reactant contains three or more
amino-nitrogen atoms, three or more carboxylic acid groups,
or is a derivative of an acid containing three or more
carboxylic acid groups.
Subclass:
343
This subclass is indented under subclass 335. Subject matter
wherein at least one reactant is derived from a (n is an
integer) containing dicarboxylic acid or is a carboxylic acid
derivative thereof.
Subclass:
344
This subclass is indented under subclass 335. Subject matter
wherein at least one reactant contains a bridged or fused
ring structure.
(1) Note. A bridged or fused ring system for purposes of
this subclass requires that a given ring system be attached
at two different nuclear atoms of its ring system to an atom
or chain of atoms which, taken together with the two nuclear
atoms, forms an additional ring.
(2) Note. Excluded from this subclass as being a fused or
bridged ring system is an anhydride group fused or bridged to
a ring, which ring by itself is not part of a fused or
bridged ring system.
Subclass:
345
This subclass is indented under subclass 335. Subject matter
wherein at least one reactant contains an ethylenically
unsaturated group.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
Subclass:
346
This subclass is indented under subclass 335. Subject matter
wherein at least one reactant contains a saturated carbocylic
ring.
Subclass:
347
This subclass is indented under subclass 335. Subject matter
wherein at least one reactant contains an aromatic ring.
Subclass:
348
This subclass is indented under subclass 347. Subject matter
wherein all of the reactants contain at least one aromatic
ring.
Subclass:
349
This subclass is indented under subclass 335. Subject matter
wherein at least one reactant contains a tertiary carbon atom
(i.e., bonded to at least three distinct carbon atoms) e.g.,
[figure] [caption], etc.
Subclass:
350
This subclass is indented under subclass 332. Subject matter
wherein a polymer is derived from a tri or higher carboxylic
acid or from a tri-carboxylic acid derivative thereof and an
organic amine, or wherein a reactant is an organic amine salt
of a tri or higher carboxylic acid or derivative.
(1) Note. The reactant may be the monoamine, diamine, or
triamine salt of a tri-carboxylic acid, or it may be a higher
amine of a higher polycarboxylic acid, or it may be an
organic amine salt of a tri or higher carboxylic acid
derivative.
Subclass:
351
This subclass is indented under subclass 350. Subject matter
wherein an organic amine salt of a tri- or higher carboxylic
acid or acid derivative is polymerized in the presence of a
specified material, or wherein a tri- or higher carboxylic
acid or acid derivative thereof and an organic amine are
polymerized in the presence of a specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
352
This subclass is indented under subclass 350. Subject matter
wherein at least one reactant contains a phosphorus or sulfur
atom.
Subclass:
353
This subclass is indented under subclass 350. Subject matter
wherein at least one reactant is a tetra or higher carboxylic
acid or is an acid derivative thereof.
(1) Note. An anhydride having the general formula, which may
be linear or cyclic is considered as being a polycarboxylic
acid. A compound having both an anhydride and a free
carboxylic acid is considered as being a tricarboxylic acid,
e.g., as shown in the first illustration, below, and a
compound containing two anhydride groups is considered as
being a tetracarboxylic acid, e.g., as shown in the second
illustration, below. [figure] [figure]
Subclass:
354
This subclass is indented under subclass 271. Subject matter
wherein at least one reactant is a cyclic ester of a
carboxylic acid as ring atoms, e.g., as shown below, wherein
n is an integer and wherein X is an atom necessary to
complete the ring structure and yet maintain the material as
an ester. [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
271 see the (2) Note.
Subclass:
355
This subclass is indented under subclass 354. Subject matter
wherein the cyclic ester is polymerized in the presence of a
specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
356
This subclass is indented under subclass 355. Subject matter
wherein the specified material contains a phosphorus or
sulfur atom.
Subclass:
357
This subclass is indented under subclass 355. Subject matter
wherein the specified material contains a metal atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of "metals".
Subclass:
358
This subclass is indented under subclass 357. Subject matter
wherein the specified material contains a Group IA (Li, Na,
K, Rb, Cs, Fr) or Group IIA (Be, Mg, Ca, Sr, Ba, Ra) metal
atom.
Subclass:
359
This subclass is indented under subclass 354. Subject matter
wherein the heterocyclic ester is a four-membered ring
containing three carbon atoms and one oxygen atom, i.e.,
[figure]
Subclass:
360
This subclass is indented under subclass 271. Subject matter
wherein a carboxylic acid or a derivative thereof contains a
sulfur atom.
(1) Note. The sulfur atom may be in the carboxylic acid
portion, in the derivative portion, or in both the acid and
derivative thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
364 for the interpolymerization of a nonsulfur-containing
carboxylic acid or derivative and a sulfur reactant.
Subclass:
361
This subclass is indented under subclass 271. Subject matter
wherein (1) a carboxylic acid contains an ether, alcohol, or
metal alcoholate group, or (2) a carboxylic acid derivative
contains an ether, alcohol, or metal alcoholate group.
(1) Note. Both the acid and its derivative may contain an
ether, alcohol, or metal alcoholate group.
SEE OR SEARCH THIS CLASS, SUBCLASS:
365 for the interpolymerization of a noncyclic
ether-containing carboxylic acid or derivative and a cyclic
ether reactant.
Subclass:
362
This subclass is indented under subclass 271. Subject matter
wherein at least one organic reactant contains a nitrile of a
carboxylic acid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
271 see (2) Note, section D for a definition of the term
"nitrile".
Subclass:
363
This subclass is indented under subclass 271. Subject matter
for a polymer derived from at least one carboxylic acid
reactant or derivative and at least one nitrogen containing
reactant.
Subclass:
364
This subclass is indented under subclass 271. Subject matter
for a polymer derived from at least one carboxylic acid or
derivative and at least one sulfur-containing reactant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
360 for a polymer derived from a sulfur-containing
carboxylic acid or sulfur-containing derivative thereof.
Subclass:
365
This subclass is indented under subclass 271. Subject matter
for a polymer derived from at least one carboxylic acid or
derivative and at least one cyclic ether reactant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
361 for a polymer derived from an ether-containing
carboxylic acid or ether-containing derivative thereof.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ether".
Subclass:
366
This subclass is indented under subclass 365. Subject matter
wherein the cyclic ether contains only a single
three-membered heterocyclic ring having two carbon atoms and
one oxygen atom as ring members.
Subclass:
367
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from at
least one reactant containing a group or processes of
polymerizing; polymerizable compositions containing as a
reactant a material having a group or processes of
preparing.
(1) Note. Included in this subclass are carbamic acid
derivatives and urea.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
526, Synthetic Resins or Natural Rubbers, subclass 301 for a
polymer derived from an ethylenically unsaturated carbamic
acid as sole monomer or for a carbamic acid interpolymer
wherein all of the reactants used in preparing the polymer
are ethylenically unsaturated, and subclass 302 for a polymer
derived from an ethylenically unsaturated urea as sole
monomer or for a urea interpolymer wherein all of the
reactants used in preparing the polymer are ethylenically
unsaturated.
Subclass:
368
This subclass is indented under subclass 367. Subject matter
wherein a reactant containing a group is polymerized in the
presence of a specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
369
This subclass is indented under subclass 367. Subject matter
wherein a reactant is a containing material or a derivative
thereof.
(1) Note. Derivative is limited to esters, acyl halides,
anhydrides, or salts.
SEE OR SEARCH THIS CLASS, SUBCLASS:
271 for a discussion of such derivatives.
Subclass:
370
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from at
least one reactant containing a halo or group or processes of
polymerizing; polymerizable compositions containing as a
reactant a material having a haloor group or processes of
preparing.
(1) Note. Included in this subclass are phosgene, carbonic
acid, and carbonic acid esters.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
526, Synthetic Resins or Natural Rubbers, subclasses 291+
for a polymer derived from an ethylenically unsaturated
halogen containing compound having three or more carbon atoms
as sole monomer, or for an interpolymer wherein all of the
reactants are ethylenically unsaturated and at least one
reactant contains three or more carbon atoms and at least one
halogen atom, and subclass 314 for a polymer derived from an
ethylenically unsaturated reactant containing a group as sole
monomer, or for an interpolymer wherein all of the reactants
are ethylenically unsaturated and at least one reactant
contains a group.
Subclass:
371
This subclass is indented under subclass 370. Subject matter
wherein a halo or containing reactant is polymerized in
the presence of a specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
372
This subclass is indented under subclass 370. Subject matter
wherein a reactant contains a halo group.
Subclass:
373
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from at
least one sulfur-containing reactant or processes of
polymerizing; polymerizable compositions containing as a
reactant a sulfur-containing material or processes of
preparing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
525, Synthetic Resins or Natural Rubbers, subclasses 343+,
for a process of chemically modifying a solid polymer derived
from ethylenic monomers only in the presence of a
sulfur-containing material; subclasses 256+ for a homopolymer
derived from an ethylenically unsaturated sulfur heterocyclic
compound or for a sulfur-containing interpolymer wherein all
of the reactants are ethylenically unsaturated and at least
one of said reactants contains a sulfur atom as part of a
heterocyclic ring, and subclasses 286+ for a polymer derived
from an ethylenically unsaturated sulfur-containing reactant
as sole monomer or for a sulfur-containing interpolymer
wherein all of the reactants are ethylenically unsaturated
and at least one of said reactants contains a sulfur atom.
Subclass:
374
This subclass is indented under subclass 373. Subject matter
wherein a polymer is derived from at least one mercaptan
(thiol) or inorganic mercaptide-containing material.
(1) Note. A mercaptan denotes an organic compound having
the general structure wherein the carbon atom bound to the
sulfur atom of the thiol group is not double bonded to
oxygen, sulfur, selenium, or tellurium, or triple bonded to
nitrogen.
(2) Note. A mercaptide denotes a salt of a mercaptan.
Subclass:
375
This subclass is indented under subclass 374. Subject matter
wherein (1) a polymer is derived from at least two or more
mercaptan reactants, or from at least two or more mercaptide
reactants, or from at least a mixture of a mercaptan and a
mercaptide, or (2) a polymer is derived from a mercaptan or
mercaptide and at least one other sulfur-containing
reactant.
Subclass:
376
This subclass is indented under subclass 374. Subject matter
wherein a mercaptan or mercaptide is reacted with at least
one reactant which contains an ethylenically unsaturated
group.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "ethylenically unsaturated".
Subclass:
377
This subclass is indented under subclass 373. Subject matter
wherein at least one reactant contains a sulfur atom as a
ring atom of a heterocyclic ring.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
378
This subclass is indented under subclass 377. Subject matter
wherein at least one reactant containing a heterocyclic ring
having at least one sulfur atom as a ring atom is polymerized
in the presence of a specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
379
This subclass is indented under subclass 378. Subject matter
wherein the specified material contains a Group IA (Li, Na,
K, Rb, Cs, Fr) or Group IIA (Be, Mg, Ca, Sr, Ba, Ra) metal
atom.
Subclass:
380
This subclass is indented under subclass 377. Subject matter
wherein a sulfur heterocyclic reactant contains at least one
heterocyclic ring composed of a single sulfur atom and two or
more carbon atoms and there are no other atoms in the
heterocyclic ring.
Subclass:
381
This subclass is indented under subclass 373. Subject matter
wherein a sulfur reactant is elemental sulfur or a
sulfur-containing inorganic compound.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, See the Glossary
for a definition of "organic compound". An inorganic compound
for purposes of this subclass is a compound which does not
fit the parameters of said definition.
Subclass:
382
This subclass is indented under subclass 381. Subject matter
wherein the inorganic reactant containing sulfur is sulfur
diozide (SO2).
Subclass:
383
This subclass is indented under subclass 382. Subject matter
wherein sulfur dioxide is polymerized in the presence of a
specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
384
This subclass is indented under subclass 383. Subject matter
wherein the specified material contains a metal atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "metals".
Subclass:
385
This subclass is indented under subclass 383. Subject matter
wherein the specified material contains a peroxide, free
oxygen, air or ozone.
(1) Note. A peroxide denotes a compound containing an -O-O-
group.
(2) Note. This subclass does not include the use of air as
a blanket or carrier gas.
Subclass:
386
This subclass is indented under subclass 382. Subject matter
wherein sulfur dioxide is reacted with at least one material
which contains only atoms of hydrogen and carbon.
Subclass:
387
This subclass is indented under subclass 381. Subject matter
wherein the inorganic reactant containing sulfur is carbon
disulfide (C5[subscrpt]2[end subscrpt]) or hydrogen sulfide
(H[subscrpt]2[end subscrpt]5).
Subclass:
388
This subclass is indented under subclass 381. Subject matter
wherein the inorganic sulfur reactant contains at least one
metal atom or at least one ammonium ion.
Subclass:
389
This subclass is indented under subclass 381. Subject matter
wherein at least one reactant is elemental sulfur.
Subclass:
390
This subclass is indented under subclass 373. Subject matter
wherein a polymer is prepared from an organic reactant
containing a group.
SEE OR SEARCH THIS CLASS, SUBCLASS:
387 for a polymer prepared from carbon disulfide.
Subclass:
391
This subclass is indented under subclass 373. Subject matter
wherein a polymer is prepared from an organic reactant
containing a sulfur atom bonded to one or more oxygen atoms
(e.g., sulfonates, sulfones, etc.).
Subclass:
392
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from at
least one ethylenically unsaturated reactant and at least one
non-ethylenically unsaturated reactant or processes of
polymerization; polymerizable compositions containing at
least one ethylenically unsaturated reactant and at least one
nonethylenically unsaturated reactant or processes of
preparing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
525, Synthetic Resins or Natural Rubbers, appropriate
subclasses for processes of chemically reacting a solid
polymer.
526, Synthetic Resins or Natural Rubbers, subclasses 72+
for processes of polymerizing an ethylenic monomer in the
presence of an ethylenic material, which ethylenic material
concurrently enters into the polymer by reaction with a
functional group of the ethylenic monomer and for processes
of polymerizing ethylenically unsaturated monomers only.
Subclass:
393
This subclass is indented under subclass 392. Subject matter
wherein at least one of the reactants contains a
three-membered heterocyclic ring which contains as ring atoms
an oxygen atom and two carbon atoms.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
Subclass:
394
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
boron- containing reactant or process of polymerizing;
polymerizable compositions containing a boron-containing
reactant or processes of preparing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
4 for a boron-containing reactant wherein a boron atom is
bonded to at least one atom of hydrogen or carbon.
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
Subclass:
395
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a heavy
metal- or aluminum-containing reactant wherein a heavy metal
or aluminum atom is devoid of any bonding to hydrogen or to
carbon or processes of polymerizing; polymerizable
compositions containing as a reactant a heavy metal or
aluminum containing reactant, wherein a heavy metal or
aluminum atom is devoid of any bonding to hydrogen or to
carbon or processes of preparing.
(1) Note. A heavy metal denotes a metal atom having a
specific gravity greater than four.
SEE OR SEARCH THIS CLASS, SUBCLASS:
9 for a heavy metal- or aluminum- containing reactant
wherein a heavy metal or aluminum atom is bonded to at least
one atom of carbon or hydrogen.
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
Subclass:
396
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
hydrocarbon reactant or process of polymerizing;
polymerizable compositions containing as a reactant a
hydrocarbon material or processes of preparing.
(1) Note. A hydrocarbon contains only atoms of carbon and
hydrogen.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
Subclass:
397
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
halogenated hydro-carbon reactant or process of polymerizing;
polymerizable compositions containing as a reactant a
halogenated hydrocarbon reactant or processes of preparing.
(1) Note. Included as halogenated hydro- carbons for
purposes of this subclass are those reactants wherein all of
the hydro-carbon atoms have been replaced by halogen atoms.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
Subclass:
398
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
phosphorus-containing reactant or process of polymerizing;
polymerizable compositions containing as a reactant a
phosphorus-containing material or processes of preparing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
526, Synthetic Resins or Natural Rubbers, subclasses 274+
for a polymer derived from a phosphorus-containing ethylenic
reactant as sole monomer or for a phosphorus-containing
interpolymer wherein all of the reactants used in preparing
the polymer are ethylenically unsaturated.
Subclass:
399
This subclass is indented under subclass 398. Subject matter
wherein at least one reactant contains at least one
phosphorus atom and at least one nitrogen atom.
Subclass:
400
This subclass is indented under subclass 398. Subject matter
wherein a phosphorus-containing material is reacted with an
alcohol or alcoholate.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "alcohol".
Subclass:
401
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
fluorine- containing reactant or process of polymerizing;
polymerizable compositions containing as a reactant a
fluorine-containing material or processes of preparing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
526, Synthetic Resins or Natural Rubbers, subclasses 242+
for a polymer derived from a fluorine-containing ethylenic
reactant as sole monomer of fluorine.
Subclass:
402
This subclass is indented under subclass 401. Subject matter
wherein the fluorine atom is part of a compound which
contains a heterocyclic ring and wherein part of the
heterocyclic ring atoms can be represented as an oxygen ether
group (e.g., 1, 2-epoxy compounds, etc.).
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the terms "heterocyclic" and "ether".
Subclass:
403
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
heterocyclic reactant having at least one oxygen, selenium,
or tellurium atom as a ring member or process of
polymerizing; polymerizable compositions containing as a
reactant a heterocyclic compound having as a ring member at
least one atom of oxygen, selenium, or tellurium and
processes of preparing.
(1) Note. This subclass includes those compounds which may
contain at least one atom of oxygen, selenium, or tellurium
together in a heterocyclic ring with nitrogen (e.g.,
oxazolines, etc.).
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 230+ for a polymer derived from trioxane,
tetraoxane, or hexamethylenetetramine.
subclasses 377+ for a polymer derived from a heterocyclic
reactant containing at least one sulfur atom as a ring
member.
422 for a polymer derived from a heterocyclic reactant
containing only nitrogen and carbon as ring atoms.
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "heterocyclic".
526, Synthetic Resins or Natural Rubbers, subclass 260 for
polymers derived from only ethylenic monomers and wherein at
least one ethylenic monomer contains a five-membered
heterocyclic ring and at least one of the ring members is
nitrogen and at least one is a oxygen, and subclasses 266+
for polymers derived from only ethylenic monomers and wherein
at least one ethylenic monomer has a heterocyclic ring
containing at least one oxygen atom as a ring member.
Subclass:
405
This subclass is indented under subclass 403. Subject matter
wherein at least one heterocyclic reactant containing at
least one oxygen, selenium, or tellurium atom as ring members
is reacted with at least one reactant which is devoid of a
heterocyclic ring containing oxygen, selenium, or tellurium
as ring members.
Subclass:
406
This subclass is indented under subclass 405. Subject matter
wherein the heterocyclic reactant contains at least two
separate heterocyclic rings each, and wherein each ring
contains at least one atom of oxygen, selenium, or tellurium
as a ring member.
Subclass:
407
This subclass is indented under subclass 406. Subject matter
wherein the reactant which is devoid of a heterocyclic ring
containing oxygen, selenium, or tellurium as ring members
contains at least one nitrogen atom.
Subclass:
408
This subclass is indented under subclass 403. Subject matter
wherein a heterocyclic reactant containing oxygen, selenium,
or tellurium as ring atoms is polymerized in the presence of
a specified material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "specified material".
Subclass:
409
This subclass is indented under subclass 408. Subject matter
wherein the specified material contains a metal atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of "metals".
Subclass:
410
This subclass is indented under subclass 409. Subject matter
wherein the specified material contains at least one atom of
a transition metal.
(1) Note. Transition metal is limited to elements of atomic
numbers 21-29, 39-47, 57-79, or 89 and higher.
Subclass:
411
This subclass is indented under subclass 410. Subject matter
wherein the transition metal is a Group IVB metal atom (Ti,
Zr, Hf).
Subclass:
412
This subclass is indented under subclass 410. Subject matter
wherein the transition metal is a Group VIII metal atom (Fe,
Co, Ni, Ru, Rh, Pd, Os, Ir, Pt).
Subclass:
413
This subclass is indented under subclass 409. Subject matter
wherein the metal is a Group IIA metal atom (Be, Mg, Ca, Sr,
Ba, Ra).
Subclass:
414
This subclass is indented under subclass 409. Subject matter
wherein the metal is a Group IIB metal atom (Zn, Cd, Hg).
Subclass:
415
This subclass is indented under subclass 414. Subject matter
wherein the Group IIB metal material contains a diverse metal
atom in the same compound, or wherein a Group IIB material is
in admixture with a material which contains a diverse metal
atom.
Subclass:
416
This subclass is indented under subclass 409. Subject matter
wherein the specified material contains at least one Group
IIIA metal atom (Al, Ga, In, Tl).
Subclass:
417
This subclass is indented under subclass 403. Subject matter
wherein the heterocyclic reactant contains only a single
hetero atom (i.e., oxygen, sulfur, or selenium) in a ring
containing three or more carbon atoms and there are no other
atoms in the ring (e.g., oxetane, etc.).
Subclass:
418
This subclass is indented under subclass 403. Subject matter
wherein the heterocyclic reactant contains at least two
three-membered heterocyclic rings, and each of said
heterocyclic rings is composed of two carbon atoms and a
single oxygen atom as ring members.
Subclass:
419
This subclass is indented under subclass 403. Subject matter
wherein a polymer is derived from two or more reactants with
the proviso that at least two separate reactants each contain
a single three-membered heterocyclic ring having two carbon
atoms and a single oxygen atom as ring members.
Subclass:
420
This subclass is indented under subclass 403. Subject matter
wherein a heterocyclic reactant contains at least one
nitrogen atom and a single three-membered heterocyclic ring
which contains two carbon atoms and one oxygen atom as ring
members.
Subclass:
421
This subclass is indented under subclass 403. Subject matter
wherein the heterocyclic reactant contains a single
three-membered heterocyclic ring which is composed of two
carbon atoms and one oxygen atom.
Subclass:
422
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from a
nitrogen- containing reactant or process of polymerizing;
polymerizable compositions containing as a reactant a
nitrogen-containing material or processes of preparing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for the definition of "heterocyclic".
Subclass:
423
This subclass is indented under subclass 422. Subject matter
wherein at least one reactant contains a heterocyclic ring
which has only nitrogen and carbon atoms as ring members.
Subclass:
424
This subclass is indented under subclass 423. Subject matter
wherein at least one nitrogen heterocyclic reactant contains
a three-membered heterocyclic ring which has two carbon atoms
and one nitrogen atom as ring members.
Subclass:
425
This subclass is indented under subclass 1. Subject matter
under Class 520, ... involving polymers derived from an
organic oxygen-containing reactant or processes of
polymerizing; polymerizable compositions containing as a
reactant an organic oxygen-containing material or processes
of preparing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 480+ for processes of preparing a polymer not
involving a chemical modification of the polymer, by the
addition of a material thereto, and for chemically modifying
material other than the polymer. Subclasses 480+ also
provide for processes of admixing with a broadly claimed
nonreactant material.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Natural Rubbers, see the Glossary
for a definition of the term "organic compound".
Subclass:
480
This subclass is indented under subclass 1. Processes under
Class 520, ... wherein a solid polymer which has been
derived from at least one ethylenic monomer, or a material
which is in contact with the polymer, is treated.
(1) Note. Materials with which the polymer is in contact
includes the reactants forming the polymer, their
nonpolymeric reaction products, the solvents used for
polymerization, etc.
(2) Note. The specific treatments provided herein need not
occur in the presence of the polymer.
(3) Note. Contacting of the polymer or material in presence
therewith, with a solid material which is inert and which
merely functions as a physical barrier (e.g., container,
storage, facility, filter paper); or which contacts the
material so as to cool or heat, or which transports (e.g.,
pipe, tube); or which manipulates (e.g., stirrer, centrifuge)
are normally not considered as a basis for classification
herein.
(4) Note. This subclass provides for those processes
wherein the desired polymer is not chemically modified.
Processes, however, which involve a chemical reaction of
material other than the polymer are proper herein.
(5) Note. This subclass provides for processes of treating a
polymer not involving a chemical modification of the polymer,
by the addition of a material thereto, and for chemically
modifying material other than the polymer. This subclass and
its indents also provide for processes of admixing with a
broadly claimed nonreactant material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 491+ for separating polymer by filtration from a
liquid diluent and contacting the liquid diluent which is now
devoid of polymer with an organic compound.
482 through 499, for contacting with material which requires
the combination of at least two materials that differ in
composition, for example, adding more of a given material to
a solution containing that material would be considered an
addition since the solution differs in composition from the
added material. However, mere division of a stream into two
portions, followed by a heating or cooling of one of the
portions, with a subsequent recombining operation of the two
portions would not be considered "contacting" since the two
portions are compositionally equivalent.
SEE OR SEARCH CLASS:
523, Synthetic Resins or Natural Rubbers, subclasses 1+ for
a composition of a previously formed solid polymer and a
nonreactive material.
525, Synthetic Resins or Natural Rubbers, for processes of
chemically modifying a solid polymer by the addition of a
chemical treating agent thereto.
Subclass:
481
This subclass is indented under subclass 480. Processes
wherein a polymer or a polymer-containing material is cooled
to 0 deg.C (32 deg.F) or less, or is heated to a temperature
of 200 deg.C (392 deg.F) or higher.
Subclass:
482
This subclass is indented under subclass 480. Processes
wherein a solid sorbent mass is used to retain on its surface
a constituent of a mixture, or wherein an ion-exchange
material is used to contact the polymer or polymer-containing
material.
(1) Note.
(A) A solid sorbent is a material which separates a
constituent from a fluid mixture containing such
constitutents in a "quasi chemical" manner. The action in
most instances is that of selective retention (e.g., the
sorbent removes only the part of the fluid mixture for which
it has the greatest affinity). The retained portion cannot
be removed by mechanical action but generally requires
heating or use of a stripping or denuding fluid.
(B) A filter is not proper herein since a filter has no
particular "chemical" affinity for a constituent of the fluid
mixture. The separation in the case of a filter depends upon
a mechanical entrapment of the solid particles because of
their relatively large size compared to the interstices or
spaces between individual elements of the filter. In the
case of a filter, mechanical brushing, wiping, shaping, etc.,
will remove the retained particles.
(2) Note. Solid sorbent includes but is not limited to
diatomaceous earth, kieselguhr, perlite, activated carbon,
asbestor, colloidal clays, molecular sieves, etc.
(3) Note. Ion exchange is a process in which ions are
chemically transferred from a material to a liquid or solid
separatory substance or exchanger which, because of its
chemical structure of loosely bound ions, has an affinity for
certain ions and gives up some of its own ions to the
material. The exchange occurs between ions of like charge;
the exchanger substance can usually be regenerated by passing
another material through it to elute the previously sorbed
ions and replace them with the original kind of loosely
bounds ions. These ions exchanger substances are usually
solid resins.
SEE OR SEARCH CLASS:
95, Gas Separation: Processes, subclasses 90+ for
processes of gas separation using solid sorbents.
203, Distillation: Processes, Separatory, subclass 41, for a
separatory distillation process including the step of passing
the produced vapor through a solid sorbent.
210, Liquid Purification or Separation, subclasses 660+, for
liquid purification by ion exchange or sorption.
Subclass:
483
This subclass is indented under subclass 480. Processes which
involve contacting the polymer-containing material with a
gaseous material which material is other than a carrier,
blanket, or drying gas.
(1) Note. "Gas" for purposes herein includes vapor, mist, or
smoke.
(2) Note. Excluded from this subclass is the production of a
gas by an "in situ" reaction wherein the production of the
gas is effected by treatment in the presence of the polymer.
(3) Note. Air, carbon dioxide, steam, N2, and the inert
gases are generally the type of gases to be excluded from
this subclass by the use of the terms "carrier, blanket, or
drying gas." Absent any disclosure to the contrary "gas" will
be taken to mean one of these gaseous materials utilized as
enumerated above and will be excluded herefrom.
(4) Note. Materials which are bifunctional and which have
both a carrier, blanket or drying effect and also exhibit
another effect such as a reactant, or as an extracting
medium, are proper for this subclass.
Subclass:
484
This subclass is indented under subclass 480. Processes
wherein the accumulation of material on the reactor wall or
on parts of the processing equipment is prevented or
removed.
SEE OR SEARCH CLASS:
526, Synthetic Resins or natural Rubbers, subclass 74 for a
polymerization process utilizing a nondiluent-type material
so as to prevent clogging or fouling of the reactor or
processing equipment.
Subclass:
485
This subclass is indented under subclass 480. Processes
wherein a material containing at least one atom of aluminum
or of a heavy metal contacts the polymer or the material
which is in contact with the polymer.
Subclass:
486
This subclass is indented under subclass 480. Processes
wherein a polymer-containing material is contacted with a
carboxylic acid, a carboxylic acid salt, or a carboxylic acid
anhydride.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 491+ for contacting in the the presence of a
carboxylic acid ester or acyl halide.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Rubbers, see the Glossary for a
definition of the term "carboxylic acid".
Subclass:
487
This subclass is indented under subclass 480. Processes
wherein the polymer or polymer-containing material is
contacted with a material containing a phosphorus or sulfur
atom.
Subclass:
488
This subclass is indented under subclass 480. Processes
wherein the polymer or polymer-containing material is
contacted with a treating material which contains at least
one atom of an alkali metal or alkaline earth element.
(1) Note. Alkali metal is limited to elements, Li, Na, K,
Rb, Cs, Fr, Alkaline earth metal is limited to elements Be,
Mg, Ca, Sr, Ba, Ra.
Subclass:
489
This subclass is indented under subclass 488. Processes
wherein the alkali metal or alkaline earth metal is in the
form of an oxide or hydroxide.
Subclass:
490
This subclass is indented under subclass 480. Processes
wherein a polymer or polymer-containing material is contacted
with a material which is a free element or an inorganic
compound, which materials are other than air, water, N, and
the inert gases (Group VIIIA) or mixtures composed solely of
these materials.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 491+ appropriate subclasses for the use of an
aqueous organic material as a contacting agent.
subclasses 499+ for processes involving the use of water as
a contacting agent.
Subclass:
491
This subclass is indented under subclass 480. Processes
wherein the polymer or polymer-containing material is
contacted with an organic compound.
Subclass:
492
This subclass is indented under subclass 491. Processes
wherein the organic compound is a nitrogen-containing
compound.
Subclass:
493
This subclass is indented under subclass 491. Processes
wherein the organic compound is an aldehyde or ketone.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Rubbers, fsee the Glossary or a
definition of the terms "aldehyde" or "ketone".
Subclass:
494
This subclass is indented under subclass 491. Processes
wherein the organic compound is an oxygen-containing ether.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Rubbers, see the Glossary for a
definition of the term "ether".
Subclass:
495
This subclass is indented under subclass 491. Processes
wherein the organic compound is an alcohol.
(1) Note. This subclass includes phenols as being an
alcohol.
SEE OR SEARCH THIS CLASS, SUBCLASS:
488 for a contacting agent wherein the hydrogen of a hydoxyl
group has been replaced by an alkali metal or by an alkaline
earth metal atom.
SEE OR SEARCH CLASS:
520, Synthetic Resins or Rubbers, see the Glossary for a
definition of the term "alcohol".
Subclass:
496
This subclass is indented under subclass 495. Processes
wherein the hydroxy compound contains from one to four carbon
atoms.
Subclass:
497
This subclass is indented under subclass 491. Processes
wherein the organic compound consists of atoms of hydrogen
and carbon only.
Subclass:
498
This subclass is indented under subclass 497. Processes
wherein the organic compound is devoid of any aromatic or
cycloaliphatic group.
Subclass:
499
This subclass is indented under subclass 480. Processes
wherein the polymer or polymer-containing material is brought
into contact with material.
(1) Note. Included herein is contact with water in any of
its physical forms.
Subclass:
500
This subclass is indented under subclass 499. Process wherein
the polymer or the polymer-containing material is separated
by vaporizing and condensing at least a portion of the
material, so as to isolate in the condensed liquid or in the
unvaporized portion a comparatively pure compound, which
compound was present in the original mixture and wherein the
separation is effect by contacting the material to be
separated with steam so as to reduce the partial vapor
pressure of the component of the material desired to be
recovered.
(1) Note. This subclass includes the addition of water
which is converted to steam in the distillation device as
well as the addition of steam to the distillation process.
SEE OR SEARCH CLASS:
202, Distillation: Apparatus, subclasses 81+, for
distillation apparatus utilized in steam stripping or
distillation.
203, Distillation: Processes, Separatory, subclasses 95+,
for separatory distillation processes including the addition
of water or steam which are of general utility.
Subclass:
501
This subclass is indented under subclass 480. Processes
wherein a polymer or polymer-containing material is exposed
to a pressure decrease so as to effect a separation therein,
or wherein a polymer or polymer-containing material is
subjected to a distillation operation so as to effect a
separation therein.
(1) Note. Included herein are processes of effecting a
separation by cooling under a reduced pressure, or by partial
vaporization by a sudden pressure reduction, such as by the
introduction of a feed stream under pressure high enough to
prevent ebullition into a zone of lesser pressure, which
introduction results in the volatizing of at least a portion
of the distilland.
SEE OR SEARCH THIS CLASS, SUBCLASS:
503 for a process of vaporizing material under heat without
any attempt to condense the volatized component.
SEE OR SEARCH CLASS:
62, Refrigeration, subclasses 9+ for processes of
liquefaction wherein autorefrigeration by pressure reduction
is utilized to effect separation.
159, Concentrating Evaporators, for processes of general
utility for concentrating solids in solution or suspension by
volatizing the liquid and note especially subclass 2.1 for
flash evaporators of general utility.
202, Distillation: Apparatus, for apparatus for carrying out
distillation processes.
203, Distillation: Processes, Separatory, for processes of
general utility for separation of the components of a feed
mixture by distillation.
208, Mineral Oils: Processes and Products, for distillation
processes wherein the comparatively pure component recovered
is a mineral oil.
Subclass:
502
This subclass is indented under subclass 480. Processes
wherein the polymer or polymer-containing material is treated
by the application of a physical force.
(1) Note. Generally the physical force which acts upon the
material causes a deformation, flow, or breakdown of the
material (e.g., cutting, comminuting, shearing, etc.).
Subclass:
503
This subclass is indented under subclass 480. Processes
wherein the polymer or polymer-containing material is held at
a constant temperature other than ambient or heat is applied,
or cooling is utilized.
(1) Note. This subclass includes processes which consist in
holding the effluent from a polymerization zone at a constant
temperature, as well as holding the recovered polymer at some
constant temperature to effect some alteration in its
properties.
CROSS-REFERENCE ART COLLECTIONS
The following subclasses are collections of published
disclosure pertaining to various aspects of art relating to
solid polymers, and which aspects do not form an appropriate
base for subclass classification in the classification
schedule.
(1) Note. Disclosures are placed for value as a search aid
and in no instance do they represent the entire extent of the
prior art.
Subclass:
901
Subject matter involving Si-H or -Si-C -containing materials
which normally cure by reaction at ambient temperature with
atmospheric moisture.
Subclass:
902
Subject matter involving particulate polymers formed from at
least one -N=C=C- containing reactant (X is a chalcogen
atom).
Subclass:
903
Subject matter involving the treating of a polymer derived
from at least one -N=C=X- containing reactant (X is a
chalcogen atom) or the polymerizing of at least one -N=C=X-
containing reactant in the substantial absence of water,
e.g., under anhydrous conditions.
Subclass:
904
Subject matter involving a polymer derived from at least one
-N=C=X- containing reactant (X is a chalcogen atom) which has
a specific affinity for or aversion to water, i.e.,
possessing hydrophilic or hydrophobic properties.
Subclass:
905
Subject matter involving a polymer derived from at least one
-N=C=X- containing reactant (X is a chalcogen atom) which has
adhesive properties.
Subclass:
906
Subject matter involving a polymer derived from at least one
-N=C=X- containing reactant (X is a chalcogen atom) which is
utilizable as a fiber or has elastomeric properties.
Subclass:
930
GUAYULE RUBBER:
Subject matter involving guayule rubber.
Subclass:
931
PHYSICAL TREATMENT OF NATURAL RUBBER OR NATURAL RUBBER
CONTAINING MATERIAL OR CHEMICAL TREATMENT OF NONRUBBER
PORTION THEREOF, E.G., EXTRACTION OR RUBBER FROM MILK WEED,
ETC.:
Subject matter relating to the recovery and physical
processing of natural rubber.
Subclass:
932
Protein removal or conversion:
This subclass is indented under subclass 931. Subject matter
relating to treatments which remove or convert the protein
portion of natural rubber as obtained from the plant source.
Subclass:
933
Resin removal or conversion:
This subclass is indented under subclass 931. Subject matter
relating to treatments to remove or convert the resin portion
of natural rubber as obtained from the plant source.
Subclass:
934
Latex:
This subclass is indented under subclass 931. Subject matter
relating to natural rubber latex.
SEE OR SEARCH CLASS:
516, Colloid Systems and Wetting Agents; Subcombinations
Thereof; Processes of Making, Stabilizing, Breaking, or
Inhibiting, subclasses 53+ for colloid systems of aqueous
continuous phase with discontinuous phase primarily organic
liquid or agents for such systems or making or stabilizing
such systems or agents, subclasses 135+ for compositions for
or subcombination compositions for or breaking of or
inhibiting of colloid systems (e.g., emulsion breaking,
dispersion inhibiting, suspension settlying, coagulating,
flocculating); in each instance, when generically claimed or
when there is no hierarchically superior provision in the
USPC for the specifically claimed art.
Subclass:
935
Preserving or stabilizing:
This subclass is indented under subclass 934. Subject matter
relating to preserving or stabilizing natural rubber latex.
SEE OR SEARCH CLASS:
516, Colloid Systems and Wetting Agents; Subcombinations
Thereof; Processes of Making, Stabilizing, Breaking, or
Inhibiting, subclasses 53+ for colloid systems of aqueous
continuous phase with discontinuous phase primarily organic
liquid or agents for such systems or making or stabilizing
such systems or agents, subclasses 135+ for compositions for
or subcombination compositions for or breaking of or
inhibiting of colloid systems (e.g., emulsion breaking,
dispersion inhibiting, suspension settlying, coagulating,
flocculating); in each instance, when generically claimed or
when there is no hierarchically superior provision in the
USPC for the specifically claimed art.
Subclass:
936
Coagulating:
This subclass is indented under subclass 934. Subject matter
relating to coagulation of natural rubber latex.
SEE OR SEARCH CLASS:
516, Colloid Systems and Wetting Agents; Subcombinations
Thereof; Processes of Making, Stabilizing, Breaking, or
Inhibiting, subclasses 53+ for colloid systems of aqueous
continuous phase with discontinuous phase primarily organic
liquid or agents for such systems or making or stabilizing
such systems or agents, subclasses 135+ for compositions for
or subcombination compositions for or breaking of or
inhibiting of colloid systems (e.g., emulsion breaking,
dispersion inhibiting, suspension settlying, coagulating,
flocculating); in each instance, when generically claimed or
when there is no hierarchically superior provision in the
USPC for the specifically claimed art.
Subclass:
937
Concentrating, e.g., creaming etc.:
This subclass is indented under subclass 934. Subject matter
relating to concentration of natural rubber latex.
SEE OR SEARCH CLASS:
516, Colloid Systems and Wetting Agents; Subcombinations
Thereof; Processes of Making, Stabilizing, Breaking, or
Inhibiting, subclasses 53+ for colloid systems of aqueous
continuous phase with discontinuous phase primarily organic
liquid or agents for such systems or making or stabilizing
such systems or agents, subclasses 135+ for compositions for
or subcombination compositions for or breaking of or
inhibiting of colloid systems (e.g., emulsion breaking,
dispersion inhibiting, suspension settlying, coagulating,
flocculating); in each instance, when generically claimed or
when there is no hierarchically superior provision in the
USPC for the specifically claimed art.
Subclass:
950
Polymers useful for replacing hard animal tissues, e.g.,
dentures bones, etc.:
Subject matter pertaining to synthetic resins for use in
replacing or restoring partially or wholly hard tissue as
normally found in animals.
(1) Note. The type of polymers provided for herein include
those derived from ethylenic monomexs only and these from
condensed monomers only. This subclass does not provide for
polymer compositions.
(2) Note. Specifically excluded from this subclass are
synthetic hair or skin and contact lenses.
SEE OR SEARCH CLASS:
128, Surgery, for the methods of treating living body and
apparatus used in inspection and treatment of diseases,
wounds, and other abnormal conditions of animals.
433, Dentistry, for methods, apparatus, implements and
devices relating to the treatment of teeth or gums, or
replacement of teeth.
523, Synthetic Resins or Natural Rubbers, subclasses 105+
for nonmedicated compositions containing a synthetic resin
having utility specifically intended to be for contact with
animal living tissue, especially subclasses 109 and 113-120
for dental compositions or to processes of preparing said
compositions.
604, Surgery, for medicators and applicators.
623, Prosthesis (i.e., Artificial Body Members), Parts
Thereof or Aids and Accessories Therefor, appropriate
subclasses for artificial parts for human bodies peculiarly
adapted and structured to replace missing members or to
repair a defect in a human body.
Information Products Division -- Contacts
Questions regarding this report should be directed to:
U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231
tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov
Last Modified: 6 October 2000