Oxidation hair dyes comprising m-phenylenediamine derivatives as coupling components

US4684371A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Gunther Konrad · Hilden, DE
• Norbert Maak · Neuss, DE
• Edgar Lieske · Düsseldorf, DE

Key dates

• Filing date: Dec 19, 1985
• Grant date: Aug 4, 1987
• Expiry date: Dec 19, 2005

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C205/56
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

This invention is directed to m-phenylenediamine derivatives and salts thereof and to compositions of the developer-coupler type of the dyeing of hair, consisting essentially of m-phenylenediamine derivatives or salts thereof as coupling components and, as developer components, conventional components used in oxidation dyes.