Patent ID: 6827774
Filing Date: 2004-12-07
Classification: C09B

Abstract:
A composition, comprising(a) An 1-aminoanthraquinone, anthanthrone, anthrapyrimidine, quinacridone, diketopyrrolopyrrole, flavanthrone, indanthrone, isoindolinone, isoviolanthrone, perinone, pyranthrone or thioindigo pigment, or a solid solution or a mixed crystal thereof, and (b) a sulfonation product of a pigment of (a) or of a host component in the solid solution (a) or of the mixed crystal (a), wherein the sulfonation product of the pigment is substituted by at least one group of formula (I) whereinR1 is methyl or ethyl, R2 is C6-C24alkyl, C6-C24alkenyl or C7-C24aralkyl, R3 and R4 are each independently of the other a chain consisting of 1, 2 or 3 members, each member independently of any other(s) being â€”(CH2)2Oâ€”, â€”(CH2)3Oâ€”, â€”CH(CH3)CH2Oâ€”, â€”CH2CH(CH3)Oâ€” or â€”CH2CH(CH2Oâ€”)Oâ€” and the chains being terminated by H, CH3, C2H5 or C(&boxH;O)CH3, m is a number from 0.3 to 1.0 and n is a number from 0 to (1.0âˆ’m).