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:
Feb. 20, 2007
Filed:
Sep. 11, 2002
Applicants:
Frédéric Legrand, Courbevoie, FR;
Alain Lagrange, Coupvray, FR;
Inventors:
Frédéric Legrand, Courbevoie, FR;
Alain Lagrange, Coupvray, FR;
Assignee:
L'Oreal S.A., Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
D06L 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a cosmetic composition which is intended, in particular, for bleaching human keratin fibers, particularly hair, which have been dyed with oxidation dyes and/or direct dyes. The inventive composition comprises sulphunic acid derivatives having general formula (I) in a cosmetically-acceptable medium, at a pH of between 1.5 and 9. The invention also relates to novel compounds having formula (I), the devices comprising several compartments which are used to dye and bleach the aforementioned fibers and the bleaching method using said composition