Patent ID: 6508549
Filing Date: 2003-01-21
Classification: C09D

Abstract:
A color ink jet ink set for color printing comprising:(a) a magenta ink comprising a carrier and a water-soluble, transition metal complex of an 8-heterocyclylazo-5-hydroxyquinoline dye; (b) a yellow ink comprising a carrier and a water-soluble yellow dye; (c) a cyan ink comprising a carrier and a water-soluble cyan dye; and (d) an orange and/or green and/or violet ink comprising a carrier and a water-soluble orange and/or green and/or violet dye, said water-soluble orange dye having a hue angle between about 58 and about 83; said water-soluble green dye having a hue angle between about 128 and about 189; and said water-soluble violet dye having a hue angle between about 235 and about 315.