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:
Nov. 24, 2015
Filed:
May. 21, 2014
L'oreal, Paris, FR;
L'OREAL, Paris, FR;
Abstract
Disclosed is 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 a and a' range from 2 to 150 and b ranges from 1 to 100, and at least one non-oxyalkylenated mono- or polyglycerolated nonionic surfactant. The weight ratio of the non-oxyalkylenated mono- or polyglycerolated nonionic surfactant to the polycondensate of formula (A) ranges from 1 to 20. Also disclosed is a method for dyeing hair, comprising mixing the composition with a composition comprising an oxidizing agent, and applying the resultant mixture to hair. Further disclosed is a two-compartment device, the first compartment containing the composition, and the second compartment containing a composition comprising at least one oxidizing agent.