Patent ID: 8653153
Filing Date: 2014-02-18
Classification: C08F,C09D,G03F

Abstract:
1. A violet radiation-curable lightfast gel ink, comprising: at least one curable monomer, at least one organic gellant, at least one photoinitiator and a violet colorant, wherein the ink exhibits a reflectance on a substrate at a loading of from about 2 mg/inch 2 to about 7 mg/inch 2 that ranges from 20% to about 50% at a wavelength of 440 nm, that ranges from 0% to about 10% at a wavelength of about 500 and 630 nm, and that ranges from 0% to about 10% at a wavelength of about 630 nm, and wherein the resulting ink matches Pantone Violet in color within a ΔE 2000 of about 3 or less.