US 7,520,926 B2
	Solvent-based ink composition
Linfang Zhu, Naperville, Ill. (US); and Godwin Deng, Schaumburg, Ill. (US)
Assigned to Videojet Technologies Inc., Wood Dale, Ill. (US)
Filed on Sep. 15, 2006, as Appl. No. 11/521,853.
Prior Publication US 2008/0066239 A1, Mar. 20, 2008
Int. Cl. C09D 11/02 (2006.01); C09D 11/08 (2006.01); C09D 11/10 (2006.01); B41J 2/01 (2006.01)

U.S. Cl. 106—31.27  [106/31.37; 106/31.41; 106/31.44; 106/31.49; 106/31.58; 347/100]

25 Claims

1. An ink jet ink composition comprising one or more organic solvents, one or more solvent-soluble binder resins, and a water-insoluble quinone dye, wherein the quinone dye is present in the ink composition in a dissolved state and the ink composition is a single phase ink composition, and wherein the quinone dye is selected from C.I. Solvent Blue 12, C.I. Solvent Blue 14, C.I. Solvent Blue 15, C.I. Solvent Blue 16, C.I. Solvent Blue 20, C.I. Solvent Blue 45, C.I. Solvent Blue 58, C.I. Solvent Blue 63, C.I. Solvent Blue 65, and C.I. Solvent Blue 76.