Cationic acylpyridinium derivatives for use as bleach activators

US8021438B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Wibke Gross · Mülheim an der Ruhr, DE
• Denise Fuhr · Goldkronach, DE
• Ralph Nemitz · Frechen, DE
• Astrid Kleen · Haseldorf, DE

Key dates

• Filing date: Feb 28, 2011
• Grant date: Sep 20, 2011
• Expiry date: Feb 28, 2031

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K8/4926
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Agent for dyeing keratin fibers while simultaneously bleaching the keratin fibers. The agent contains, in a cosmetic carrier, at least one oxidation dye precursor and at least one cationic acylpyridinium derivative.