Patent ID: 7491245
Filing Date: 2009-02-17
Classification: A61K,A61Q

Abstract:
1. A keratin dyeing composition comprising: (A) a medium suitable for dyeing; and (B) one or more tricyclic fused 6-5-6 heteroaromatic keratin dyeing compounds having one heteroatom according to the following formula: wherein Y is independently selected from the group consisting of NA wherein R (a) C-linked monovalent substituents selected from the group consisting of: (b) S-linked monovalent substituents selected from the group consisting of SA (c) O-linked monovalent substituents selected from the group consisting of OA (d) N-linked monovalent substituents selected from the group consisting of NA (e) monovalent substituents selected from the group consisting of COOA (f) fluoroalkyl monovalent substituents selected from the group consisting of mono-, poly-, and per-fluoro alkyl systems comprising from about 1 to about 12 carbon atoms and from about 0 to about 4 heteroatoms; and (g) hydrogen; wherein A wherein X is a halogen selected from the group consisting of F, Cl, Br, and I.