Pigment compositions

Abstract From the Canadian patent

Abstract of the Disclosure A phthalocyanine pigment composition comprising a phthalocyanine pigment and a sulphonated phthalocyanine derivative formed from sulphonated phthalocyanine dyestuffs having the formula, wherein R represents a C1 - C22 cyclic or acyclic alkyl group, aryl, aralkyl group or a dehydrvabietylamine residue; and R1 represents hydrogen or a C1 - C22 cyclic or acyclic alkyl group, an aryl or an aralkyl group; the alkyl, cycloalkyl, aryl or aralkyl groups R and R1, may be optionally substituted with one or more hydroxyl groups; x is from 1 to 4, y is 0 or from 1 to 3 and the sum of x and y is from 1 to 4, and, when y is 0 to 3 a sufficient quantity of dehydroabietylamine of …