Oxidation hair dyes based upon tetraaminopyrimidine developers

USRE30199E · kind E · reissue

Assignee

• Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

• David Rose · Hilden, DE
• Ferdi Saygin
• Erwin Weinrich · Hilden, DE

Key dates

• Filing date: Oct 23, 1978
• Grant date: Jan 29, 1980
• Expiry date: Oct 23, 1998

Classification

• Technology area (CPC —): General

Abstract

An aqueous hair dye preparation comprising an oxidation dyestuff combination of a coupling component and a developer component consisting of a tetraaminopyrimidine derivative or a water-soluble acid addition salt thereof, as well as a process for dyeing hair by utilizing this oxidation dyestuff combination.