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:
Mar. 31, 2026
Filed:
Oct. 27, 2022
L'oreal, Paris, FR;
Anne Sabbagh, Saint-Ouen, FR;
Valérie Nicou, Saint-Ouen, FR;
L'Oreal, Paris, FR;
Abstract
The invention relates to a composition comprising at least one oxidation dyeing base chosen from 2-γ-hydroxypropyl-para-phenylenediamine of formula (I), an addition salt thereof, solvates thereof and/or solvates of the salts thereof, at least one oxidation dyeing coupler chosen from (i) 2-amino-4-hydroxyethylaminoanisole of formula (II), an addition salt thereof, solvates thereof and/or solvates of the salts thereof and (ii) 2-amino-5-ethylphenol of formula (III), an addition salt thereof, solvates thereof and/or solvates of the salts thereof, at least one amphoteric or zwitterionic surfactant and at least one solid fatty substance. The invention also relates to a process for dyeing keratin fibers, preferably the hair, which comprises the application of the composition to said keratin fibers.