Patent ID: 7217297
Filing Date: 2007-05-15
Classification: A61K,A61Q,C09B

Abstract:
1. A composition for dyeing human keratin fibers comprising: a cosmetic medium suitable for dyeing human keratin fibers, wherein said medium is water or a mixture of water and at least one organic solvent suitable for dyeing human keratin fibers, and at least one dye, comprised in said medium and chosen from formulae (I), (Ibis), (Iter), (II), and (IIbis), their tautomeric forms, and their addition salts: in which: A is chosen from O, NH, N-alkyl N-hydroxyalkyl; ammonium; N-alkylammonium; N-(hydroxyalkyl) ammonium; N,N-dialkylammonium, N,N-di(hydroxyalkyl) ammonium, and N-(hydroxyalkyl) N-(alkyl) ammonium, in which the two alkyl groups may form, together with the nitrogen atom to which they are linked, a cycle that may be interrupted by at least one atom chosen from nitrogen, oxygen, and sulphur; Ar HET R A′ is chosen from hydrogen, hydroxyl, amino, (hydroxyalkyl)amino, di(hydroxyalkyl)amino, (hydroxyalkyl)(alkyl)amino, monoalkylamino, and dialkylamino, in which the two alkyl groups may form, together with the nitrogen atom to which they are linked, a cycle that may to be interrupted by at least one atom chosen from nitrogen, oxygen, and sulphur; R is chosen from hydrogen, halogen; hydroxyl; alkoxy; and alkylthio.