US 7,605,116 B2
Highly water-soluble solid laundry detergent composition that forms a clear wash liquor upon dissolution in water
Alan Thomas Brooker, Newcastle upon Tyne (United Kingdom); Kevin Lee Kott, Newcastle upon Tyne (United Kingdom); Nicola Ethel Davidson, Newcastle upon Tyne (United Kingdom); Lindsey Heathcote, Northumberland (United Kingdom); John Peter Eric Muller, Newcastle upon Tyne (United Kingdom); Mark Allen Smerznak, Tyne & Wear (United Kingdom); Nigel Patrick Sommerville-Roberts, Newcastle upon Tyne (United Kingdom); Kenji Shindo, Kobe (Japan); Emmanuel Pantelis Fakoukakis, Cincinnati, Ohio (US); and Jason Christopher King, Cincinnati, Ohio (US)
Assigned to The Procter & Gamble Company, Cincinnati, Ohio (US)
Filed on Aug. 11, 2005, as Appl. No. 11/201,523.
Claims priority of provisional application 60/600464, filed on Aug. 11, 2004.
Prior Publication US 2006/0035802 A1, Feb. 16, 2006
Int. Cl. C11D 1/12 (2006.01); C11D 1/29 (2006.01); C11D 1/65 (2006.01); C11D 3/10 (2006.01); C11D 17/06 (2006.01)
U.S. Cl. 510—351  [510/352; 510/438; 510/443; 510/444; 510/452; 510/498; 510/509] 21 Claims
 
1. A solid laundry detergent composition comprising:
(a) from 0.1 wt % to 10 wt % of an alkoxylated anionic detersive surfactant;
(b) from 1 wt % to 25 wt % of a non-alkoxylated anionic detersive surfactant;
(c) from 0.5 wt % to 3 wt % of a cationic detersive surfactant
(d) from 0 wt % to 4 wt % of a zeolite builder;
(e) from 0 wt % to 4 wt % of a phosphate builder; and
(f) from 0 wt % to 10 wt % of a silicate salt
wherein the composition comprises at least two separate surfactant components, each in particulate form:
(1) a first surfactant component consisting of said alkoxylated anionic detersive surfactant, and a solid carrier selected from the group consisting of a sulphate salt, a carbonate salt, or a mixture thereof; and optionally a non-alkoxylated anionic detersive surfactant, a cationic detersive surfactant, and a mixture thereof,
(2) a second surfactant component comprising said non-alkoxylated anionic detersive surfactant.