| abstract |
PCT No. PCT/EP94/01246 Sec. 371 Date Oct. 30, 1995 Sec. 102(e) Date Oct. 30, 1995 PCT Filed Apr. 21, 1994 PCT Pub. No. WO94/24988 PCT Pub. Date Nov. 10, 1994A composition for coloring keratin-containing fibers containing: (a) at least one isatin derivative corresponding to formula I: <IMAGE> (I) wherein R1 can represent hydrogen, a C1-4 alkyl group, a C2-4 hydroxyalkyl group, a C2-20 acyl group, a phenyl group, and a benzoyl group, and R2, R3, R4 and R5 independently of one another can represent hydrogen, hydroxy, halogen, nitro groups, sulfo groups, carboxyl groups, C1-4 alkyl groups, C1-4 alkoxy groups or NR6R7 groups and where R6 and R7 independently of one another represent hydrogen, C1-4 alkyl groups or C2-4 hydroxyalkyl groups, and wherein two adjacent groups R3, R4 and R5 may also represent an alkylenedioxy group containing 1 to 4 carbon atoms, (b) at least one compound selected from the group consisting of: (i) primary aliphatic amines; (ii) heterocyclic or isocyclic aromatic compounds without a primary amino group; (iii) aromatic carboxylic and sulfonic acids with a primary amino group; (iv) aniline derivatives; (v) dianiline derivatives; (vi) non-aromatic unsubstituted or amino-(C1-4)-alkyl-, hydroxy-(C1-4)-alkyl-carboxyl-substituted hetero-cycles; and (vii)amino sugars; and (c) a water-containing carrier. |