Patent ID: 7655087

Claim:
A pigment composition comprising an organic pigment and at least one compound selected from compounds represented by the following formulas (I-2) and (I-3), respectively: wherein b and c each independently stand for an integer of from 0 to 7, X represents a substituent when b and c are 1, Xs each independently represent a substituent when b and c are an integer of 2 or greater, Q represents a hydrogen atom or a substituted or unsubstituted phenyl group, and R represents a hydrogen atom or a substituted or unsubstituted aromatic ring, with a proviso that said compounds represented by the formulas (1-2) and (1-3), respectively, each have at least one substituent represented by COOM or SO 3 M in which M represents a hydrogen atom, metal atom, ammonium group, organic amine group or quaternary ammonium group.