US 12,220,477 B2
Cosmetic composition comprising specific hyperbranched copolymers and organic UV filters
Christine Mendrok-Edinger, Kaiseraugst (CH)
Assigned to DSM IP ASSETS B.V., Heerlen (NL)
Appl. No. 17/296,486
Filed by DSM IP ASSETS B.V., Heerlen (NL)
PCT Filed Nov. 26, 2019, PCT No. PCT/EP2019/082490
§ 371(c)(1), (2) Date May 24, 2021,
PCT Pub. No. WO2020/109263, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 18208232 (EP), filed on Nov. 26, 2018.
Prior Publication US 2022/0023190 A1, Jan. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/88 (2006.01); A61Q 17/04 (2006.01)
CPC A61K 8/88 (2013.01) [A61Q 17/04 (2013.01); A61K 2800/30 (2013.01); A61K 2800/522 (2013.01); A61K 2800/544 (2013.01); A61K 2800/591 (2013.01)] 19 Claims
 
1. A cosmetic composition comprising:
(a) a hyperbranched copolymer of the monomers:
(i) dodecenyl succinic acid anhydride,
(ii) diisopropanol amine, and
(iii) bis-dimethylaminopropyl amine, wherein
the hyperbranched copolymer has a molecular weight Mn of between 1200 and 4000 g/mol and includes terminal groups of the formula:

OG Complex Work Unit Chemistry
and
(b) at least one liquid organic UV filter and/or at least one solid organic UV filter, wherein
the cosmetic composition is a sun care composition.