Patent ID: 7087677
Filing Date: 2006-08-08
Classification: C07D,C09B

Abstract:
1. Copolymer particles of a copolymer dye composition, comprising at least one dye monomer, wherein the dye monomer is of the general formula (I) wherein R 1 is C 3-6 alkylene, C 3-6 alkoxylene, C 3-10 arylene, (C 3-10 ) aryl-(C 1-6 ) alkylene or (C 1-6 ) alkyl-(C 6-10 ) arylene, the alkylene and/or arylene radicals optionally being substituted by hydroxyl, C 1-6 alkoxyl, C 6-10 aryloxy or halogen, X is oxygen or NR′ with R′ being C R is selected from the group comprising an acrylate moiety or a methacrylate moiety and derivatives thereof, A is a fused heterocyclic ring system of the general formula (IV) wherein R 3 is hydrogen, halogen, NR 4 R 5 , R 5 O or R 5 S, in which R R Y is sulphur, oxygen or NR