Patent · US Expired

Aliphatic alpha, omega-diamine compounds and their use in hair dyeing

US5114429A · kind A · utility

7Cited by

8References

8Claims

0Family size

Assignee

L'Oreal · FR

Inventors

Alex Junino · Livry-Gargan, FR
Alain Genet · Aulnay-sous-Bois, FR
Gerard Lang · Saint-Gratien, FR

Key dates

Filing date	Sep 6, 1989
Grant date	May 19, 1992
Priority date	—
Expiry date	Sep 6, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C215/18
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to the new compounds consisting of N,N'-bis(.beta.-hydroxyethyl)-N,N'-bis(4'-aminophenyl)-1,3-diamino-2-propa nol and N,N'-bis(ethyl)-N,N'-bis(4'-amino-3'-methylphenyl)ethylenediamine, and their use in keratinous fiber dyeing compositions and processes.

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