	US 12,440,431 B2
	Cosmetic comprising ultraviolet wavelength conversion substance
Ryoya Ito, Tokyo (JP); Kouichi Nagai, Tokyo (JP); Renaud Gillet, Tokyo (JP); Shiho Iwami, Tokyo (JP); Kazuyuki Miyazawa, Tokyo (JP); Tetsuya Kanemaru, Tokyo (JP); and Bianca McCarthy, Tokyo (JP)
Assigned to Shiseido Company, Ltd., Tokyo (JP)
Appl. No. 17/601,704
Filed by Shiseido Company, Ltd., Tokyo (JP)
PCT Filed Apr. 3, 2020, PCT No. PCT/JP2020/015425 § 371(c)(1), (2) Date Oct. 5, 2021, PCT Pub. No. WO2020/204193, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-072750 (JP), filed on Apr. 5, 2019; and application No. 2019-239802 (JP), filed on Dec. 27, 2019.
Prior Publication US 2022/0202667 A1, Jun. 30, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/27 (2006.01); A61K 8/29 (2006.01); A61K 8/49 (2006.01); A61K 8/99 (2017.01); A61Q 17/04 (2006.01); A61Q 19/08 (2006.01)

CPC A61K 8/27 (2013.01) [A61K 8/29 (2013.01); A61K 8/4913 (2013.01); A61K 8/99 (2013.01); A61Q 17/04 (2013.01); A61Q 19/08 (2013.01); A61K 2800/522 (2013.01)]

9 Claims

1. A composition comprising:

(A) a UV wavelength conversion substance,

(B) a dispersant,

(D) an oil component,

wherein the (A) UV wavelength conversion substance comprises one or more selected from the group consisting of a zinc oxide phosphor, a magnesium titanate phosphor, phycocyanin, phycoerythrocyanin, phycoerythrin, vitamin K, vitamin B1, vitamin B2, vitamin B2 derivatives, vitamin B6, vitamin B12, and folic acid,

wherein the (B) dispersant comprises a combination of PEG-10 dimethicone and one or more dispersants selected from the group consisting of bis-butyldimethicone polyglyceryl-3, PEG-9 polydimethylsiloxyethyl dimethicone, lauryl PEG-9 polydimethylsiloxyethyl dimethicone, cetyl PEG/PPG-10/1 dimethicone, isostearic acid, and carboxydecyl trisiloxane,

wherein the blending amount of the (B) dispersant is 1% by weight or more relative to the total of the composition.