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:
Sep. 01, 2009
Filed:
Jun. 19, 2008
Applicants:
Aziz Fadli, Chelles, FR;
Eric Metais, St Leu la Forêt, FR;
Inventors:
Aziz Fadli, Chelles, FR;
Eric Metais, St Leu la Forêt, FR;
Assignee:
L'Oreal S.A., Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); C07D 231/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present disclosure relates to a composition for coloring keratin fibers which comprises, in an appropriate dyeing medium, at least one compound chosen from leuco compounds of formula (I), azomethine dyes with a pyrazolinone unit of formula (II), their mesomeric forms, acid addition salts and solvates thereof: and dyeing methods and multicompartment devices for use thereof.