US 12,453,694 B2
Cosmetic composition
Yasue Kanzaki, Ichihara (JP); Sayuri Kikunaga, Ichihara (JP); Son Thanh Phan, Ichihara (JP); Jun Miyano, Tokyo (JP); and Seiji Hori, Ichihara (JP)
Assigned to DOW TORAY CO., LTD., Tokyo (JP)
Appl. No. 17/604,821
Filed by DOW TORAY CO., LTD., Tokyo (JP)
PCT Filed Jul. 31, 2019, PCT No. PCT/JP2019/029957
§ 371(c)(1), (2) Date Oct. 19, 2021,
PCT Pub. No. WO2020/217556, PCT Pub. Date Oct. 29, 2020.
Claims priority of application No. 2019-082560 (JP), filed on Apr. 24, 2019.
Prior Publication US 2022/0257497 A1, Aug. 18, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/891 (2006.01); A61K 8/04 (2006.01); A61K 8/27 (2006.01); A61K 8/29 (2006.01); A61Q 17/04 (2006.01)
CPC A61K 8/891 (2013.01) [A61K 8/044 (2013.01); A61K 8/27 (2013.01); A61K 8/29 (2013.01); A61Q 17/04 (2013.01); A61K 2800/412 (2013.01); A61K 2800/48 (2013.01)] 9 Claims
 
1. A cosmetic composition, comprising:
(A) a carboxylic acid modified silicone that is liquid at room temperature and has the following formula:

OG Complex Work Unit Chemistry
(B) a water-soluble thickening agent;
(C) a basic compound; and
(D) an inorganic ultraviolet light blocking agent comprising a hydrophobic fine particulate metal oxide;
wherein component (B) comprises one or more types of water-soluble thickening agents selected from the group consisting of:
(b1) carboxyvinyl polymers;
(b2) acrylic acid copolymers or salts thereof;
(b3) alkyl acrylate/methacrylate polyoxyethylene copolymers;
(b4) polyacrylamides; and
(b5) water-soluble natural polysaccharide polymers;
wherein component (D) has a dispersed structure in an aqueous phase; and
wherein component (D) comprises: (D1) a hydrophobized fine particulate titanium oxide or hydrophobized fine particulate zinc oxide with an average particle diameter within a range of 1 to 200 nm.