Patent ID: 7575627

Claim:
A mixture of dyes of Formula (1) and salts thereof: wherein: M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group; Pc represents a phthalocyanine nucleus of formula R 1 is methyl; R 2 is H or methyl; R 3 and R 4 independently are H or optionally substituted C 1-4 alkyl; L is a divalent linking group; A and B are independently H or a substituent; x is 0.1 to 3.8; y is 0.1 to 3.8; z is 0.1 to 3.8; the sum of (x+y+z) is 2 to 4; and the substituents, represented by x, y and z, are only attached to a β-position on the phthalocyanine ring and the dyes are free from fibre reactive groups.