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:
Jan. 17, 2006
Filed:
Apr. 07, 2003
Applicants:
Alain Genet, Aulnay Sous Bois, FR;
Alain Lagrange, Coupvray, FR;
Inventors:
Alain Genet, Aulnay Sous Bois, FR;
Alain Lagrange, Coupvray, FR;
Assignee:
L'Oreal, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
A61K 7/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to cationic aminodianthraquinones containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, their use as direct dye in compositions for dyeing keratinous materials, in particular human keratinous fibers such as hair, the dyeing compositions containing them, as well as the dyeing methods using them.