	US 12,472,128 B2
	Long-lasting solid cosmetic composition
Lina Dupuis, Pantin (FR); and Cyril Gibert, Pantin (FR)
Assigned to CHANEL PARFUMS BEAUTE, Neuilly sur Seine (FR)
Filed by CHANEL PARFUMS BEAUTE, Neuilly sur Seine (FR)
Filed on Jul. 1, 2020, as Appl. No. 16/918,254.
Claims priority of application No. 19 07395 (FR), filed on Jul. 3, 2019.
Prior Publication US 2021/0000702 A1, Jan. 7, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/02 (2006.01); A61K 8/27 (2006.01); A61K 8/31 (2006.01); A61K 8/36 (2006.01); A61K 8/73 (2006.01); A61K 8/81 (2006.01); A61K 8/891 (2006.01); A61Q 1/04 (2006.01); A61Q 1/12 (2006.01)

CPC A61K 8/025 (2013.01) [A61K 8/0254 (2013.01); A61K 8/27 (2013.01); A61K 8/31 (2013.01); A61K 8/361 (2013.01); A61K 8/731 (2013.01); A61K 8/8152 (2013.01); A61K 8/891 (2013.01); A61Q 1/04 (2013.01); A61Q 1/12 (2013.01); A61K 2800/31 (2013.01); A61K 2800/436 (2013.01); A61K 2800/612 (2013.01)]

19 Claims

1. A solid cosmetic composition comprising:

at least 15% by weight of a volatile liquid fatty phase comprising C₈-C₁₆branched alkanes, and

40% to 85% by weight of a powdery phase comprising spherical fillers which are surface-treated with a metallic soap, wherein the spherical fillers are cellulose microspheres, and wherein the metallic soap is chosen from zinc borate, magnesium stearate, magnesium myristate, zinc stearate, and mixtures thereof, and

the percentages being expressed by weight, with respect to the total weight of the composition.

18. A method for preparing a solid cosmetic composition according claim 1, comprising:

pre-mixing of the powders constituting the powdery phase;

preparing a fatty binder comprising the volatile liquid fatty phase and the film-forming polymer;

mashing of the powders with the fatty binder by extrusion; and

shaping of the composition by pressing.

19. A method for making up the skin or lips, consisting of applying to the skin or lips a solid cosmetic composition according to claim 1.