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:
Jul. 18, 2006
Filed:
Sep. 10, 2003
Applicants:
Hervé David, Joinville le Pont, FR;
Nathalie Berteuil, Brunoy, FR;
Laurent Vidal, Paris, FR;
Inventors:
Assignee:
L'Oréal, SA, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 7/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
A subject-matter of the disclosure is a novel composition for the dyeing of human keratinous fibres, for example, the hair, comprising a monocationic monoazo dye of formula (I) W1-N═N—W2-NW3-W4-W5, the dyeing processes employing it, the use of the dyes of formula (I) as direct dyes and the novel compounds of formula (I).