Patent · US Expired

Oxidation hair dyes based upon tetraaminopyrimidine developers

US4003699A · kind A · utility

310Cited by

4References

9Claims

0Family size

Assignee

Henkel u. Cie GmbH

Inventors

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

Key dates

Filing date	Nov 22, 1974
Grant date	Jan 18, 1977
Priority date	—
Expiry date	Nov 22, 1994

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 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.

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