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公开(公告)号：US11166887B2
公开(公告)日：2021-11-09
申请号：US16620234
申请日：2018-06-06
Applicant: SHISEIDO COMPANY, LTD.
Inventor： Marianne Ayaka Touati , Satoshi Yamaki , Yurika Watanabe , Takahiro Katori , Yuko Nagare
Abstract: A water-in-oil emulsified cosmetic preparation that, even without substantially comprising a UV scattering agent: exhibits a higher UV protection effect than immediately after application, as a result of coming in contact with moisture, has excellent appearance, usability, and washability. The water-in-oil emulsified cosmetic preparation includes 6%-40% by mass of a UV absorber (A), an oil phase thickener (B), and at least one hydrophobic powder (C) selected from (i)-(iii), namely (i) hydrophobized talc, (ii) silicone powder having an average particle diameter of at least 30 μm, and (iii) crosslinked polymethyl methacrylate powder having a crosslinking density of at least 40%; and not including a UV scattering agent or containing no more than 6% by mass of same.
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公开(公告)号：US11413227B2
公开(公告)日：2022-08-16
申请号：US16641937
申请日：2018-08-23
Applicant: SHISEIDO COMPANY, LTD.
Inventor： Takahiro Katori , Satoshi Yamaki , Kouichi Nagai , Yurika Watanabe
Abstract: The invention provides a cosmetic having strong resistance to contact with water, clothing, fingers, and abrasion with little decline (post-contact) in the cosmetic effects such as UV blocking protection as well as excellent feel on use. The cosmetic contains: (A) plate-shaped powder, (B) 6-40% by mass UV absorber, and (C) cationic surfactant.
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公开(公告)号：US11801207B2
公开(公告)日：2023-10-31
申请号：US15522016
申请日：2015-10-30
Applicant: SHISEIDO COMPANY, LTD.
Inventor： Satoshi Yamaki , Kazutaka Sasaki , Takashi Matsui , Yurika Watanabe , Mayuri Tashiro , Yuko Nagare , Marianne Ayaka Touati , Kazuhiro Yamaguchi
IPC: A61Q17/04 , A61K8/06 , A61K8/40 , A61K8/60 , A61K8/73 , A61K8/25 , A61K8/27 , A61K8/37 , A61K8/894 , A61K8/49 , A61K8/44 , A61K8/895 , A61K8/36 , A61K8/58 , A61K8/81 , A61K8/891
CPC classification number: A61K8/064 , A61K8/06 , A61K8/25 , A61K8/27 , A61K8/36 , A61K8/37 , A61K8/40 , A61K8/44 , A61K8/49 , A61K8/585 , A61K8/60 , A61K8/73 , A61K8/8129 , A61K8/891 , A61K8/894 , A61K8/895 , A61Q17/04 , A61K2800/48 , A61K2800/522
Abstract: The object is providing a water-in-oil emulsion sunscreen cosmetic having a property not present in the prior art, in which UV protection ability improve upon contact with water, sweat and the like in comparison with that directly after application, and also having pleasant texture and easy to wash off. The present invention provides a water-in-oil emulsion sunscreen cosmetic comprising (A) 6 to 40 mass % of a UV protective agent; (B) an organic-modified clay mineral; (C) an oil-phase-thickening agent, other than (B) and (D) a silicone-based surfactant having an HLB of less than 8, wherein the ratio, [total quantity of component (B) and component (C)]/[total quantity of (E) non-volatile liquid oils except silicone oils], is 0.04 or more and less than 0.68.
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公开(公告)号：US11266591B2
公开(公告)日：2022-03-08
申请号：US16649342
申请日：2018-09-28
Applicant: SHISEIDO COMPANY, LTD.
Inventor： Minori Nakajima , Keita Nishida , Yurika Watanabe , Daiki Arai , Taichi Harada
Abstract: An oil-in-water-type emulsion cosmetic contains an ultraviolet ray scattering agent and which has preparation stability in a system where a water-soluble alkyl-substituted polysaccharide derivative and another emulsifying agent coexist is further improved. The oil-in-water-type emulsion cosmetic containing (A) a water-soluble alkyl-substituted polysaccharide derivative, (B) a nonionic surfactant and (C) an ultraviolet ray scattering agent, wherein the blend ratio [(A)/(B)] of the water-soluble alkyl-substituted polysaccharide derivative (A) to the nonionic surfactant (B) is 1.54 or less, and the blend ratio [(A)/(C)] of the water-soluble alkyl-substituted polysaccharide derivative (A) to the ultraviolet ray scattering agent (C) is 0.02 or less.
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