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. 12, 2024
Filed:
Jun. 22, 2018
L'oreal, Paris, FR;
David Seneca, Saint-Ouen, FR;
Delphine Charrier, Saint-Ouen, FR;
Sophie Bodelin, Chevilly la Rue, FR;
Melissa Lassale, Saint-Ouen, FR;
L'OREAL, Paris, FR;
Abstract
The subject of the present invention relates to a composition for dyeing keratin fibers, comprising: a) one or more copolymer(s) derived from the polymerization of at least one monomer of crotonic acid or crotonic acid derivative and of at least one vinyl ester monomer, b) at least one oil-in-water emulsion having a particle size D 50 of less than 350 nm and which comprises: a silicone mixture comprising (i) at least one polydialkylsiloxane comprising trialkylsilyl end groups, having a viscosity at 25° C. ranging from 40 000 to 100 000 mPa·s and (ii) at least one aminosilicone having a viscosity at 25° C. ranging from 1000 to 15 000 mPa·s and an amine number ranging from 2 to 10 mg of KOH per gram of aminosilicone; a surfactant mixture comprising one or more nonionic surfactants, said mixture having an HLB ranging from 10 to 16, and water and c) at least one pigment.