US 12,226,513 B2
Cosmetic composition containing a rheological-modifying and stabilizing polymer blend
Jonathan Faig, Sayreville, NJ (US); Nicole Burkhard, Ledgewood, NJ (US); David Chan, Edison, NJ (US); and Susan Halpern Chirch, Basking Ridge, NJ (US)
Assigned to L'OREAL, Paris (FR)
Filed by L'OREAL, Paris (FR)
Filed on Jun. 29, 2022, as Appl. No. 17/852,525.
Claims priority of provisional application 63/216,216, filed on Jun. 29, 2021.
Claims priority of application No. 2108952 (FR), filed on Aug. 26, 2021.
Prior Publication US 2022/0409514 A1, Dec. 29, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/44 (2006.01); A61K 8/04 (2006.01); A61K 8/34 (2006.01); A61K 8/368 (2006.01); A61K 8/49 (2006.01); A61K 8/73 (2006.01); A61K 8/81 (2006.01); A61Q 19/00 (2006.01)
CPC A61K 8/8147 (2013.01) [A61K 8/042 (2013.01); A61K 8/345 (2013.01); A61K 8/368 (2013.01); A61K 8/44 (2013.01); A61K 8/4953 (2013.01); A61K 8/735 (2013.01); A61K 8/8152 (2013.01); A61K 8/8188 (2013.01); A61Q 19/00 (2013.01); A61K 2800/48 (2013.01); A61K 2800/524 (2013.01)] 20 Claims
 
1. A cosmetic composition comprising:
(a) a rheological-modifying and stabilizing polymer blend comprising:
(i) about 40 to 60 wt. % of a carbomer;
(ii) about 22 to 28 wt. % of an acrylates/C10-30 alkyl acrylate crosspolymer; and
(iii) about 22 to 28 wt. % of an ammonium acryloyldimethyltaurate/steareth-25 methacrylate crosspolymer; and
(b) water;
wherein all weight percentages are based on the total weight of the polymer blend; and wherein (i) and ((ii)+(iii)) are in a weight ratio of 0.5:1 to 2:1 ((i):((ii)+(iii))).