Patent ID: 8686062
Filing Date: 2014-04-01
Classification: C08F,C08G,C09D

Abstract:
1. A lightfast radiation curable red gel ink, comprising: at least one curable monomer, at least one organic gellant, at least one photoinitiator, at least one orange pigment, and at least one red pigment wherein the orange and red pigments are configured to provide a red color, wherein the orange pigment is absorbing in the wavelength region of about 400 to about 560 nm and transmissive in the region from about 570 to about 700 nm, and wherein the red pigment is absorbing in the wavelength region of about 510 to about 580 nm and transmissive in the wavelength region from about 590 to about 700 nm, wherein the resulting ink matches PANTONE® Red 032 or PANTONE® Warm red in color within a ΔE 2000 of about 3 or less.