Patent ID: 11879064
Assignee: DIC CORPORATION
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A pigment composition, comprising:
a solid solution of C.I. Pigment Red 122/Violet 19 as a condensed polycyclic organic pigment; and
a polyvalent metal inorganic salt selected from the group consisting of iron(II) sulfate, aluminum sulfate, potassium aluminum sulfate, copper(II) sulfate, iron(II) chloride, iron(III) chloride, zinc sulfate, and magnesium sulfate,
wherein the pigment composition includes 0.1 to 3.0 parts by mass of the polyvalent metal inorganic salt per 100 parts by mass of the condensed polycyclic organic pigment.