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:
Oct. 14, 2008
Filed:
Feb. 28, 2005
Applicants:
Stéphane Sabelle, Paris, FR;
Eric Metais, St-leu-le-Foret, FR;
Inventors:
Stéphane Sabelle, Paris, FR;
Eric Metais, St-leu-le-Foret, FR;
Assignee:
L'Oreal S.A., Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); C07C 211/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present disclosure relates to novel N-alkylhydroxylated secondary para-phenylenediamines and a process for making these compounds. The present disclosure further relates to a composition for dyeing keratin fibers, including human keratin fibers such as hair, containing, in a medium that is suitable for dyeing, at least one such N-alkylhydroxylated secondary para-phenylenediamine, a process for dyeing keratin fibers using the composition, and a device or kit for dyeing keratin fibers that contains the composition.