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:
Jun. 23, 2015
Filed:
Jul. 05, 2012
Delphine Charrier, Boulogne Billancourt, FR;
Evelyne Vacherand, Eaubonne, FR;
Marie-pascale Audousset, Asnieres, FR;
Delphine Charrier, Boulogne Billancourt, FR;
Evelyne Vacherand, Eaubonne, FR;
Marie-Pascale Audousset, Asnieres, FR;
L'OREAL, Paris, FR;
Abstract
A subject-matter of the present invention is a composition for dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising: i) at least one non-ionic ether of polyoxyalkylenated fatty alcohols of formula (I), and also the optical isomers and geometrical isomers thereof; in which formula (I): R denotes a saturated or unsaturated and linear or branched C-Chydrocarbon radical, R' denotes a saturated or unsaturated and linear or branched C-Chydrocarbon radical, which may be substituted by a hydroxyl radical, n is an integer between (1) and approximately (100) inclusive, and Alk represents a linear or branched, preferably linear, (C-C) alkylene group such as ethylene or propylene, preferably ethylene, ii) at least one fatty substance, iii) optionally at least one surfactant other than i), iv) at least one direct dye and/or at least one oxidation dye, v) optionally at least one basifying agent, vi) optionally at least one chemical oxidizing agent, and the fatty substance content of the composition representing in total at least 25% by weight relative to the total weight of the composition. The present invention also relates to a method using this composition and to a multi-compartment device that is suitable for the use of said method.R—(O-Alk)-O—R′  (I)