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. 24, 2002
Filed:
Nov. 22, 2000
Applicant:
Inventors:
Laurent Vidal, Paris, FR;
Jean-Baptiste Saunier, Paris, FR;
Assignee:
L'Oreal S.A., Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
The invention relates to novel cationic 2-acylaminophenols of formula (I) comprising at least one cationic group, to their use as couplers for the oxidation dyeing of keratin fibers, and in particular of human keratin fibers such as the hair, to oxidation dye compositions containing them in combination with at least one oxidation base, and to oxidation dyeing processes using them.