Patent ID: 8277550
Filing Date: 2012-10-02
Classification: C09D

Abstract:
1. An inkjet ink comprising: a mixture of at least two yellow dyes; at least three co-solvents comprising about 18% to about 24% of the composition of the ink by weight; wherein at least three co-solvents are selected from the group consisting of 1,3-propanediol, 1,2-alkanediol, 1,5-pentanediol, triethylene glycol, and dipropylene glycol; a polymeric dispersant comprising about 0.5% to about 2.0% of the composition of the ink by weight; a penetrant; at least one wetting agent comprising about 0.5% to about 1.5% of the composition of the ink by weight, wherein the at least one wetting agent is selected from the group consisting of polyoxyethylene dimethyl siloxanes, fluorosurfactants, and combinations thereof; and water.