Chapman and Cutler LLP
Pigment compositions, colored compositions making use of the pigment compositions, and color filters
Pigment compositions each contain an organic pigment and at least one compound selected from compounds represented by the following formula (II), respectively:A-N═N—CH(COCH3)—CONH-E,B—N═N—CH(COCH3)—CONH-E orC—N═N—CH(COCH3)—CONH-E,wherein A represents a substituted or unsubstituted phenyl group, B represents a substituted or unsubstituted β-naphthyl group, C represents a substituted or unsubstituted α-anthraquinonyl group, D represents a particular substituted aromatic group, and E represents a substituted or unsubstituted phenyl group, with a proviso that the compounds each have at least one substituent represented by —COOM or —SO3M in which M represents a hydrogen atom, metal atom, ammonium group, organic amine group or quaternary ammonium group. Colored compositions making use of the pigment compositions and color filters making use of the colored compositions are also disclosed.
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
G C C C
G03F C09B C09B C09B
inventional inventional inventional inventional
Hideki Ryo Kazuhiko Kazutaka Shotoku
Ito Hoshino Kaneko Aoki Takami