Patent ID: 7132518

Claim:
A bis-azo/hydzone pigment of the formula (V): wherein: A is a substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl radical; Y is hydrogen, alkyl, alkoxy, amine, nitro, carboxylic acid, carboxylic acid ester, or a substituted or unsubstituted fused ring; Z is hydrogen, CO—X—B, CN or COCH 3 ; B is hydrogen, or a primary aliphatic, carbocyclic, aryl or heterocyclic radical; X is a divalent O or NH radical; and M is a divalent alkyl, substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl radical, where the substituent may be halogen, alkyl or alkoxy.