Patent ID: 9708495
Date: 2017-07-18
CPC Classifications: C09D

Claim:
1. An ink set for ink-jet printing, comprising: a cyan ink-jet ink including a first colorant comprising from about 2 wt % to about 5 wt % of a cyan pigment admixed in a first ink vehicle; a magenta ink-jet ink including a second colorant comprising from about 2 wt % to about 5 wt % of a quinacridone-based magenta pigment and about 0.1 wt % to about 1 wt % of a slightly soluble magenta dye admixed in a second ink vehicle; and a yellow ink-jet ink including a third colorant comprising from about 2 wt % to about 5 wt % of a yellow pigment admixed in a third ink vehicle; wherein the cyan pigment, magenta pigment, and yellow pigment are polymer-dispersed pigments; wherein the polymer of the polymer-dispersed pigments is a styrene-acrylic resin having an acid number between 40 and 200 and a weight average molecular weight (M wherein the first, second, and third ink vehicles individually comprise: