Patent ID: 7189283

Claim:
A composition comprising: (a) a major dye component which is a mixture of phthalocyanine dyes of Formula (1) and salts thereof: wherein: M is Cu or Ni; Pc represents a phthalocyanine nucleus of formula R 1 , R 2 and R 3 independently are H or optionally substituted C 1-4 alkyl; R 4 is optionally substituted C 1-4 -hydroxyalkyl; 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 4; and the substituents, represented by x, y and z, are attached to a β-position on the phthalocyanine ring; and (b) a liquid medium which comprises water, water and an organic solvent or an organic solvent free from water.