Patent · US Expired

Oxidation hair dyes based upon tetraaminopyrimidine developers and mono- and dialkyl -m- dihydroxy benzene couplers

US4129413A · kind A · utility

7Cited by

1References

16Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

David Rose · Hilden, DE
Erwin Weinrich · Hilden, DE
Edgar Lieske · Düsseldorf, DE

Key dates

Filing date	Apr 14, 1977
Grant date	Dec 12, 1978
Priority date	—
Expiry date	Apr 14, 1997

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/10
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An aqueous hair dye preparation comprising an oxidation dyestuff combination of a developer component consisting of a tetraaminopyrimidine derivative or a water-soluble acid addition salt thereof and a coupler component consisting of a mono- and/or dialkyl-m- dihydroxybenzene, wherein the alkyl radical has 1-4 carbon atoms; as well as a process for dyeing hair by utilizing this oxidation dyestuff combination.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.