US 7,611,570 B2
Ink jet recording ink, recording method and recording apparatus
Shoji Koike, Yokohama (Japan); and Ryota Kato, Kawasaki (Japan)
Assigned to Canon Kabushiki Kaisha, Tokyo (Japan)
Filed on Apr. 04, 2007, as Appl. No. 11/730,828.
Claims priority of application No. 2006-103724 (JP), filed on Apr. 05, 2006.
Prior Publication US 2007/0256593 A1, Nov. 08, 2007
Int. Cl. C09D 11/02 (2006.01); B41J 2/01 (2006.01)
U.S. Cl. 106—31.43  [106/31.58; 106/31.59; 106/31.75; 106/31.86; 106/31.89; 347/100] 8 Claims
OG exemplary drawing
 
1. An ink jet recording ink comprising at least water, a colorant, a compound represented by the following general formula (I) accounting for 8 to 40% by mass of a total mass of the ink, and plural types of nonionic surfactants accounting for 0.3 to 5% by mass of a total mass of the ink, wherein a mass ratio (A:B) between a mass (A) of the compound represented by general formula (I) and a mass (B) of the plural types of nonionic surfactants is in a range of from 5:1 to 90:1,

OG Complex Work Unit Drawing
wherein R1, R2 and R3 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and R4 represents an alkylene group having 1 to 5 carbon atoms.