Patent ID: 6827775
Filing Date: 2004-12-07
Classification: C09B

Abstract:
A composition, comprising(a) An 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 as a host component in the solid solution (a) or in the mixed crystal (a), wherein in the sulfonation product the pigment is substituted by at least one group of formula (I) whereinR1 is methyl or ethyl, R2, R3 and R4 are each independently of the others C6-C24alkyl or C6-C24alkenyl, m is a number from 0.3 to 1.0 and n is a number from 0 to (1.0-m).