Patent ID: 8118883
Filing Date: 2012-02-21
Classification: A61K,A61Q,C09B

Abstract:
1. Polymeric dye obtained by the reaction of (a) a basic polycondensate with (b) an electrophilic dye of formula the basic polycondensate (a) is obtained by the reaction of wherein R A is C P is a reactive grouping capable of reacting with a nitrogen nucleophile; X is a linkage group selected from C —CON(R 5 )—, —C(NR 5 R 6 ) 2 —, —(R 5 )NC(O)—, —C(S)R 5 — or an optionally substituted, saturated or unsaturated, fused or non-fused aromatic or nonaromatic (hetero)cyclic bivalent radical optionally comprising at least one heteroatom; —O—; —S—; —N(R 5 )—; —S(O)—; —SO 2 —; —(CH 2 CH 2 —O) 1-5 —; —C(O)—; —C(O)O—, —OC(O)—; —CON(R 5 )—; —SO 2 N(R 5 )—; —C(NR 5 R 6 ) 2 —; —(R 5 )NC(O)—; —C(S)R 5 —; saturated or unsaturated, fused or non-fused aromatic or nonaromatic bivalent radical optionally comprising at least one heteroatom; which is optionally substituted by C 1 -C 30 alkyl, C 1 -C 30 alkoxy, C 2 -C 12 alkenyl, C 5 -C 10 aryl, C 5 -C 10 cycloalkyl, C 1 -C 10 alkyl(C 5 -C 10 arylene), halogen or hydroxy; or the direct bond; Y is a residue of an organic dye; R a is 1, 2 or 3; and An is an anion.