Patent ID: 8444715
Filing Date: 2013-05-21
Classification: A45D,A61K,A61Q,C09B

Abstract:
1. A functionalized dye comprising at least one chromophore and a color fastness moiety, wherein the chromophore is bound to the color fastness moiety by a linker, wherein said dye is a compound of formula Ia: wherein C is a chromophore selected from the following group: a diarylmethane chromophore, an azo chromophore, a nitro chromophore, a nitroso chromophore, or a substituted benzene chromophore; linker L is of formula (IIIa): wherein a, b, c, d, and e are each 0; f is 1; F is a color fastness moiety represented by formula Va: wherein n and o are 0; p, q and r are each independently 0 or 1, provided that at least one of m, p, q and r is not 0; R