US 12,290,586 B2
Cosmetic composition comprising a combination of two particular couplers and at least one oxidation base
Valerie Nicou, Saint Ouen (FR)
Assigned to L'Oreal, Paris (FR)
Appl. No. 18/257,968
Filed by L'OREAL, Paris (FR)
PCT Filed Dec. 16, 2021, PCT No. PCT/EP2021/086240
§ 371(c)(1), (2) Date Jun. 16, 2023,
PCT Pub. No. WO2022/129357, PCT Pub. Date Jun. 23, 2022.
Claims priority of application No. 2013529 (FR), filed on Dec. 17, 2020.
Prior Publication US 2024/0115479 A1, Apr. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61Q 5/10 (2006.01); A61K 8/49 (2006.01)
CPC A61K 8/4973 (2013.01) [A61Q 5/10 (2013.01); A61K 2800/4322 (2013.01); A61K 2800/882 (2013.01)] 18 Claims
 
1. A cosmetic composition comprising:
at least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (II) below, one of its addition salts, its solvates and/or solvates of its salts:

OG Complex Work Unit Chemistry
at least one oxidation coupler chosen from hydroxyethyl-3,4-methylenedioxyaniline of formula (III) below, one of its addition salts, its solvates and/or solvates of its salts:

OG Complex Work Unit Chemistry
one or more oxidation bases, their salts, their solvates and/or solvates of their salts and mixtures thereof.