Patent ID: 6203579
Filing Date: 2001-03-20
Classification: A61K,A61Q

Abstract:
A colorant composition for coloring keratin-containing fibers comprising:(a) at least one isatin derivative corresponding to the formula I: ##STR4##wherein R.sup.1 and R.sup.2 independently of one another represent a hydrogen atom, a halogen atom, a hydroxy group, a (C.sub.1-4)-alkyl, hydroxy-(C.sub.1-4)-alkyl, tertiary amino-(C.sub.1-4)-alkyl, (C.sub.1-4)-alkoxy group, an amino group optionally substituted by one or two (C.sub.1-4)-alkyl or hydroxy-(C.sub.1-4)-alkyl groups, a nitro, carboxy, or sulfo group, and Y is a hydroxy group, a (C.sub.1-4)-alkoxy group or an amino group which may be substituted by (C.sub.1-4)-alkyl, (C.sub.1-4)-alkoxy-(C.sub.1-4)-alkyl, carboxy-(C.sub.1-4)-alkyl, sulfo-(C.sub.1-4)-alkyl or hydroxy-(C.sub.1-4)-alkyl groups or which may be part of a heterocyclic 5-, 6- or 7-membered ring, or physiologically compatible salts thereof; and(b) at least one compound containing a primary or secondary amino group or hydroxy group selected from the group consisting of primary or secondary aliphatic or aromatic amines, nitrogen-containing heterocyclic compounds, amino acids, oligopeptides made up of 2 to 9 amino acids, aromatic hydroxy compounds, and CH-active compounds.