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:
Jan. 26, 2016
Filed:
Apr. 19, 2012
Alain Lagrange, Coupvray, FR;
Marie Mignon, Paris, FR;
Alain Lagrange, Coupvray, FR;
Marie Mignon, Paris, FR;
L'OREAL, Paris, FR;
Abstract
The present invention relates to a composition for dyeing keratin fibers, comprising:—one or more fatty substances,—one or more surfactants;—one or more oxidation bases,—one or more phenol-derived couplers corresponding to the formula (B2) below: * R, R, R, represent a hydrogen; an optionally substituted C-Calkyl or alkenyl radical; —SR or —OR; a saturated C-Ccyclic group; a (C-C)alkylcarbonyl group; hydrocarbonyl; a sulphonic or carboxylic acid group; * at least one of the radicals R, R, Rrepresenting a hydrogen atom; * R, Rrepresent a hydrogen; an optionally substituted C-Calkyl or alkenyl; —SR; a (C-C)alkyl-carbonyl; hydrocarbonyl; a sulphonic or carboxylic acid group; * two groups chosen from R, R, R, R, Rand borne by adjacent carbon atoms may form, together with said carbon atoms, a ring or a heterocycle with a single heteroatom, this ring or heterocycle comprising no double bond other than that of the ring to which it is fused; * at least one of the radicals R, R, R, R, Rbeing other than hydrogen;—one or more alkalinizing agents; the fatty substance content representing in total at least 25% by weight relative to the total weight of the composition. The present invention also relates to a process using this composition in the presence of at least one chemical oxidizing agent, and to multicompartment devices suitable for the implementation of the invention.