US 12,263,237 B2
Composition comprising two particular oxidation dye precursors, an oxyethylenated fatty acid ester of sorbitan and a fatty acid
Valérie Nicou, Saint-Ouen (FR); and Laurence Cottard-Mei, Saint-Ouen (FR)
Assigned to L'OREAL, Paris (FR)
Appl. No. 18/255,327
Filed by L'Oreal, Paris (FR)
PCT Filed Dec. 16, 2021, PCT No. PCT/EP2021/086254
§ 371(c)(1), (2) Date May 31, 2023,
PCT Pub. No. WO2022/129369, PCT Pub. Date Jun. 23, 2022.
Claims priority of application No. 2013462 (FR), filed on Dec. 17, 2020.
Prior Publication US 2024/0041734 A1, Feb. 8, 2024
Int. Cl. A61Q 5/10 (2006.01); A61K 8/36 (2006.01); A61K 8/39 (2006.01); A61K 8/41 (2006.01); A61K 8/46 (2006.01); A61K 8/49 (2006.01)
CPC A61K 8/4926 (2013.01) [A61K 8/361 (2013.01); A61K 8/39 (2013.01); A61K 8/411 (2013.01); A61K 8/413 (2013.01); A61K 8/415 (2013.01); A61K 8/463 (2013.01); A61Q 5/10 (2013.01); A61K 2800/43 (2013.01)] 20 Claims
 
1. A composition comprising:
at least one oxidation coupler chosen from 6-hydroxybenzomorpholine(s) of formula (I), addition salts thereof, solvates thereof, solvates of its salts thereof, or mixtures of two or more thereof:

OG Complex Work Unit Chemistry
at least one oxidation coupler chosen from 2-amino-5-ethylphenol(s) of formula (II), addition salts thereof, solvates thereof, solvates of its salts, or mixtures of two or more thereof:

OG Complex Work Unit Chemistry
at least one oxyethylenated C8-C30 fatty acid ester of sorbitan, and
at least one C8-C30 fatty acid.