Patent ID: 6589330
Filing Date: 2003-07-08
Classification: C09B

Abstract:
A green pigment composition comprising (a) a green pigment consisting essentially of a mixture of fine particles of a halogen-free blue pigment and fine particles of a halogen-free yellow pigment and (b) a halogen-free pigment derivative, wherein the pigment derivative is in an amount of 0.2-30 wt. % based on an amount of the green pigment,the blue pigment is at least one selected from the group consisting of phthalocyanine pigments, threne pigments, and indigo pigments, the yellow pigment is at least one selected from the group consisting of azo, benzimidazolone, isoindoline, flavanthrone, anthrapyrimidine, anthraquinone, quinolinoquinolone, fluoroflavin and fluoruvin pigments, and the pigment derivative has a colorant residue and/or triazine group.