Patent ID: 8148461

Claim:
A latex particulate for providing improved humidfastness and lightfastness in ink-jet printing applications, comprising: (a) a latex particulate configured for inclusion in an ink-jet ink to provide improved humidfastness of an image printed by the ink-jet ink, said latex particulate having a weight average molecular weight from 10,000 to 10,000,000, and having a particle size from 10 nm to 2 μm; and (b) an image stabilizer configured for improving lightfastness of the image, said image stabilizer including both a stabilizing moiety covalently bound to the latex particulate, and a stabilizing agent entrapped within the latex particulate but not covalently bonded to the latex particulate, wherein the stabilizing agent comprises an —NH, —SH, —OH, or —CH functionality.