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:
Apr. 29, 2008
Filed:
Nov. 22, 2001
Applicants:
François Cottard, Levallois-Perret, FR;
Christine Rondeau, Sartrouville, FR;
Inventors:
François Cottard, Levallois-Perret, FR;
Christine Rondeau, Sartrouville, FR;
Assignee:
L'Oreal S.A., Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
A61K 7/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a composition for dyeing and in particular oxidation dyeing of keratinous fibers, in particular human keratinous fibers and more particularly hair, comprising, in a medium suitable for dyeing, at least an oxidation dye and/or a direct dye and at least an associative polymer, characterised in that it further comprises a polymer with acrylamide units (i), (ii) dialkyldiallylammonium halide, and (iii) vinylic carboxylic acid. The invention also concerns dyeing methods and devices using said dyeing composition.