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:
Aug. 26, 2014
Filed:
Dec. 06, 2011
Caroline Goget, Paris, FR;
Katia Dutheil-gouret, Les Metairies, FR;
Ludivine Masselin, Paris, FR;
L'Oreal, Paris, FR;
Abstract
The present invention relates to a dye composition comprising: * at least one oxidation dye precursor; * at least one polycondensate of ethylene oxide and of propylene oxide having the structure (A) below H—(O—CH—CH)—(O—CH(CH)—CH)—(O—CH—CH)—OH (A) in which formula a and a' range from 2 to 150 and b ranges from 1 to 100; and * at least one C-Cfatty alcohol comprising at least one unsaturation. The invention also relates to a dyeing process using this composition (free of oxidizing agent) after mixing with a composition comprising an oxidizing agent. Another subject of the invention is a two-compartment device, the first compartment comprising the composition according to the invention, free of oxidizing agent, and the second compartment containing a composition comprising at least one oxidizing agent.