The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2002
Filed:
Jan. 07, 2000
Applicant:
Inventors:
Alain Genet, Aulnay Sous Bois, FR;
Alain Lagrange, Coupvray, FR;
Assignee:
L'Oreal S.A., Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 7/13 ;
U.S. Cl.
CPC ...
A61K 7/13 ;
Abstract
The subject of the invention is cationic monobenzene nitrophenylenediamines having at least one cationic charge delocalized over an unsaturated 5-membered polynitrogenous heterocycle, to their use as direct dye in dyeing compositions for keratinous substances, in particular for human keratinous fibers, such as the hair, to the dyeing compositions comprising them and to the dyeing processes employing these compositions.