Use of diiminoisoindoline derivatives or 3-aminoisoindolone derivatives for dyeing keratin fibers, and dye compositions containing them

US6077320A · kind A · utility

Assignee

• L'Oreal · FR

Inventors

• Herve Andrean · Paris, FR
• Alain Lagrange · Coupvray, FR

Key dates

• Filing date: Dec 11, 1997
• Grant date: Jun 20, 2000
• Expiry date: Dec 11, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/916
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Diiminoisoindoline derivatives or 3-aminoisoindolone derivatives, or tautomeric forms thereof, used as oxidizing-agent-free dye precursors in dyeing keratin fibers, in particular human keratin fibers such as the hair, without an oxidizing agent, in the presence of compounds containing a primary or secondary amine function; dye compositions containing these compounds and to the dyeing devices and processes used.