Patent ID: 6814761
Filing Date: 2004-11-09
Classification: A61K,A61Q

Abstract:
A composition for coloring or tinting keratin fibers comprising at least one 2-nitro-p-phenylenediamine derivative corresponding to formula (I) as a substantive dye: wherein R1 to R4, independently of one another, represent hydrogen, a C1-4 hydroxyalkyl group or a saturated, monounsaturated or polyunsaturated C7-8 ring, wherein the C7-8 ring may be optionally substituted by a C1-4 alkyl group, a halogen atom, a hydroxy group or an amino group or combinations thereof, and wherein at least one of the substituents R1 to R4 is the C7-8 ring; and wherein X is hydrogen or a halogen atom.