Patent ID: 6391104
Filing Date: 2002-05-21
Classification: C07D,C09B

Abstract:
A perylene pigment composition comprising a reactive co-precipitated blend comprising(1) about 75 to about 99.9 mol %, relative to the pigment composition, of a compound having the formula â€ƒwherein each R is independently hydrogen, C1-C6 alkyl, C5-C8 cycloalkyl, C7-C16 aralkyl, or C6-C10 aryl, A is C1-C6 alkyl, C1-C6 alkoxy, a sulfonyl group, amino, ammonium, hydroxy, nitro, or halogen, and m is zero or a number from 1 to 8; and (2) about 0.1 to about 25 mol %, relative to the pigment composition, of a perylene dicarboxamidine imide having the formula â€ƒwherein W is C2-C3 alkylene that is optionally substituted or modified, R is hydrogen, C1-C6 alkyl, C5-C8 cycloalkyl, C7-C16 aralkyl, or C6-C10 aryl, A is C1-C6 alkyl, C1-C6 alkoxy, a sulfonyl group, amino, ammonium, hydroxy, nitro, or halogen, and m is zero or a number from 1 to 8.