Developer components and their use for dyeing keratinic fibers

US7081140B2 · kind B2 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

• Georg Knuebel · Goldkronach, DE
• Horst Hoeffkes · Goldkronach, DE
• Bernd Meinigke · Leverkusen, DE
• Helmut Giesa · Meerbusch, DE

Key dates

• Filing date: Apr 23, 2004
• Grant date: Jul 25, 2006
• Expiry date: May 28, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D249/08
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compositions for dyeing keratinic fibers, which contain p-phenylene-diamine derivative substituted by an imidazolyl group, the use of these compounds for dyeing keratinic fibers and a process for dyeing keratinic fibers using these compounds.