Isatin-containing formulations for coloring keratin-containing fibers

US5616150A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Hinrich Moeller · Monheim, DE
• Horst Hoeffkes · Goldkronach, DE

Key dates

• Filing date: Oct 30, 1995
• Grant date: Apr 1, 1997
• Expiry date: Oct 30, 2015

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K8/492
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A composition for coloring keratin-containing fibers containing: (a) at least one isatin derivative corresponding to formula I: ##STR1## wherein R.sup.1 can represent hydrogen, a C.sub.1-4 alkyl group, a C.sub.2-4 hydroxyalkyl group, a C.sub.2-20 acyl group, a phenyl group, and a benzoyl group, and R.sup.2, R.sup.3, R.sup.4 and R.sup.5 independently of one another can represent hydrogen, hydroxy, halogen, nitro groups, sulfo groups, carboxyl groups, C.sub.1-4 alkyl groups, C.sub.1-4 alkoxy groups or NR.sup.6 R.sup.7 groups and where R.sup.6 and R.sup.7 independently of one another represent hydrogen, C.sub.1-4 alkyl groups or C.sub.2-4 hydroxyalkyl groups, and wherein two adjacent groups R.sup.3, R.sup.4 and R.sup.5 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-(C.sub.1-4)-alkyl-, hydroxy-(C.sub.1-4)-alkyl-carboxyl-su…