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. 14, 2009
Filed:
Aug. 10, 2007
François Cottard, Courbevoie, FR;
Gautier Deconinck, Saint-Gratien, FR;
François Cottard, Courbevoie, FR;
Gautier Deconinck, Saint-Gratien, FR;
L'Oreal S.A., Paris, FR;
Abstract
Disclosed herein is a composition for the oxidation dyeing of keratinous fibers, for example, human keratinous fibers, such as the hair, comprising, in a medium appropriate for dyeing, at least one oxidation dye and at least one polymer comprising the repetition of: (i) at least one unit derived from a monomer of acrylamide type, (ii) at least one unit derived from a monomer of dialkyldiallylammonium halide type, and (iii) at least 50 mol % of at least one unit derived from a monomer of vinylcarboxylic acid type. The composition disclosed is easily and rapidly removed during the rinsing stage while retaining good rheological and dyeing properties.