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:
May. 21, 2002
Filed:
Feb. 09, 2000
Applicant:
Inventors:
Jean Jacques Vandenbossche, Tartas, 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 invention relates to the use of fused polycyclic compounds having at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains having at least one quaternized saturated ring and aliphatic chains having at least one quaternized unsaturated ring, as direct dyes in compositions intended for dyeing keratin substances and, in particular, compositions intended for dyeing human keratin fibers, especially the hair, and cosmetic compositions intended for making up the skin, the nails and the lips, to the dye compositions or make-up compositions containing them and to the direct dyeing process using them.