Patents by Inventor Yuko Nagare
Yuko Nagare has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11801207Abstract: 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.Type: GrantFiled: October 30, 2015Date of Patent: October 31, 2023Assignee: SHISEIDO COMPANY, LTD.Inventors: Satoshi Yamaki, Kazutaka Sasaki, Takashi Matsui, Yurika Watanabe, Mayuri Tashiro, Yuko Nagare, Marianne Ayaka Touati, Kazuhiro Yamaguchi
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Patent number: 11771630Abstract: The present invention relates to an oil-based cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects increase due to heat. The oil-based cosmetic of the present invention contains (A) an ultraviolet protectant; and (B) at least one compound that is water-soluble and that has an IOB of 5.0 or lower, selected from among (i) alkylene oxide derivatives and (ii) polyhydric alcohols; wherein the (B) (i) alkylene oxide derivatives are polyoxyalkylene/polyoxyethylene copolymer dialkyl ethers represented by the following formula (I): R1O-[(AO)m(EO)n]—R2??(I) wherein R1 and R2, each independently, denote a hydrogen atom or a hydrocarbon group having one to four carbon atoms, AO denotes an oxyalkylene group having three or four carbon atoms, EO denotes an oxyethylene group, 1?m?70, 1?n?70 and m+n?40; and the oil-based cosmetic has a water content of 5% by mass or less.Type: GrantFiled: August 9, 2019Date of Patent: October 3, 2023Assignee: Shiseido Company, Ltd.Inventors: Kei Ujimoto, Kouichi Nagai, Marianne Ayaka Touati, Yuko Nagare, Satoshi Yamaki
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Publication number: 20230142992Abstract: A thickener for a non-aqueous system includes a water-soluble polymer and a counterpart that ionically and/or electrostatically interacts with the water-soluble polymer.Type: ApplicationFiled: January 10, 2023Publication date: May 11, 2023Applicant: SHISEIDO COMPANY, LTD.Inventors: Kouichi NAGAI, Hiroki GOMI, Kayoko NAOI, Yuko NAGARE
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Patent number: 11638686Abstract: The present invention relates to a cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, but conversely increase, due to coming into contact with moisture such as water or perspiration, and due to heat applied in the usage environment. The cosmetic of the present invention contains (A) an ultraviolet protectant; (B) at least one compound that is water-soluble and that has an IOB of 5.Type: GrantFiled: August 9, 2019Date of Patent: May 2, 2023Assignee: Shiseido Company, Ltd.Inventors: Ryoya Ito, Kouichi Nagai, Kei Ujimoto, Yuko Nagare
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Patent number: 11474038Abstract: The purpose of the present invention is to newly provide a method with which it is possible to appropriately evaluate the protective effect of an external preparation for skin such as a sunscreen cosmetic, particularly to evaluate how a UV-ray protective effect is affected by heat. This evaluation method is characterized by including (1) a step for forming a coating film of an external preparation for skin on a substrate, (2) a step for heat-treating the coating film of the external preparation for skin, and (3) a step for measuring the UV-ray protective effect of the heat-treated coating film of the external preparation for skin. The heat treatment is preferably carried out for at least one minute at a temperature of 30-70° C.Type: GrantFiled: January 31, 2019Date of Patent: October 18, 2022Assignee: Shiseido Company, Ltd.Inventors: Kouichi Nagai, Kei Ujimoto, Marianne Ayaka Touati, Yuko Nagare, Satoshi Yamaki
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Publication number: 20210386652Abstract: The purpose of the present invention is to provide an oil-in-water emulsion cosmetic that is thickened using an associative thickener containing a hydrophobic modified polyether urethane, that stably holds a hydrophobization powder in an inner oil phase, and that does not release water even after long-term storage, without a reduction in usage sensations regarding moistness, resilience, and smoothness originally possessed by the oil-in-water emulsion cosmetic. The present invention is an oil-in-water emulsion cosmetic characterized by comprising (A) a hydrophobic modified polyether urethane having a specific structure such as polyurethane-59, (B) a polyether modified silicone having an HLB (Si) of 5-14, and (C) a hydrophobization powder. The cosmetic according to the present invention preferably further comprises (D) a lower alcohol and/or a polyol, and/or (E) a nonionic surfactant having an HLB of 8-18.Type: ApplicationFiled: October 10, 2019Publication date: December 16, 2021Applicant: Shiseido Company, Ltd.Inventors: Yuko NAGARE, Mayuri TASHIRO
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Patent number: 11166887Abstract: 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 ?m, 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.Type: GrantFiled: June 6, 2018Date of Patent: November 9, 2021Assignee: SHISEIDO COMPANY, LTD.Inventors: Marianne Ayaka Touati, Satoshi Yamaki, Yurika Watanabe, Takahiro Katori, Yuko Nagare
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Publication number: 20210338544Abstract: An objective of the present invention is to provide an emulsion cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, and conversely increase, due to heat applied in a usage environment. The present invention pertains to an emulsion cosmetic comprising (A) an ultraviolet protectant, (B) a prescribed alkylene oxide derivative, and (C) an ester oil.Type: ApplicationFiled: August 9, 2019Publication date: November 4, 2021Applicant: Shiseido Company, Ltd.Inventors: Yuko NAGARE, Kei UJIMOTO, Kouichi NAGAI, Ryoya ITO
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Publication number: 20210338551Abstract: The present invention relates to a cosmetic in which the ultraviolet protection effects are increased by heat, and a method for manufacture thereof. The manufacturing method of the present invention includes (1) a step of preparing a sample composition containing (A) an ultraviolet protectant and (B) one or more humectants that have an IOB of 5.Type: ApplicationFiled: August 9, 2019Publication date: November 4, 2021Applicant: Shiseido Company, Ltd.Inventors: Kouichi NAGAI, Kei UJIMOTO, Yuko NAGARE, Ryoya ITO, Marianne Ayaka TOUATI, Satoshi YAMAKI
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Publication number: 20210338545Abstract: Provided is an emulsion cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, and conversely increase, due to heat applied in a usage environment. The present invention pertains to an emulsion cosmetic comprising (A) an ultraviolet protectant, (B) a polyhydric alcohol having an IOB value of 5.0 or lower, and (C) an ester oil having an IOB value of 0.3 or higher.Type: ApplicationFiled: August 9, 2019Publication date: November 4, 2021Applicant: Shiseido Company, Ltd.Inventors: Kei UJIMOTO, Kouichi NAGAI, Marianne Ayaka TOUATI, Yuko NAGARE, Satoshi YAMAKI
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Publication number: 20210338552Abstract: The present invention relates to an oil-based cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects increase due to heat. The oil-based cosmetic of the present invention contains (A) an ultraviolet protectant; and (B) at least one compound that is water-soluble and that has an IOB of 5.0 or lower, selected from among (i) alkylene oxide derivatives and (ii) polyhydric alcohols; wherein the (B) (i) alkylene oxide derivatives are polyoxyalkylene/polyoxyethylene copolymer dialkyl ethers represented by the following formula (I): R1O-[(AO)m(EO)n]—R2 ??(I) wherein R1 and R2, each independently, denote a hydrogen atom or a hydrocarbon group having one to four carbon atoms, AO denotes an oxyalkylene group having three or four carbon atoms, EO denotes an oxyethylene group, 1?m?70, 1?n?70 and m+n?40; and the oil-based cosmetic has a water content of 5% by mass or less.Type: ApplicationFiled: August 9, 2019Publication date: November 4, 2021Applicant: Shiseido Company, Ltd.Inventors: Kei UJIMOTO, Kouichi NAGAI, Marianne Ayaka TOUATI, Yuko NAGARE, Satoshi YAMAKI
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Patent number: 11077048Abstract: The present invention has the purpose of providing an oil-in-water emulsion cosmetic that contains a high quantity of an ultraviolet absorbing agent and an ultraviolet scattering agent in the oil phase and achieves a high SPF, while simultaneously having a Distinctive fresh feeling in use when applied to the skin. The present invention provides an oil-in-water emulsion cosmetic characterized by comprising (A) 0.05 to 1% by mass of a hydrophobically modified alkyl cellulose; (B) 5 to 40% by mass of an oil component; (C) 2.5 to 30% by mass of an ultraviolet scattering agent having a hydrophobic surface; and (D) a water phase thickener having low salinity tolerance; wherein the (C) ultraviolet scattering agent is dispersed in the oil phase.Type: GrantFiled: January 27, 2020Date of Patent: August 3, 2021Assignee: SHISEIDO COMPANY, LTD.Inventors: Mayuri Tashiro, Yuko Nagare, Takashi Matsui
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Publication number: 20210228471Abstract: The present invention relates to a cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, but conversely increase, due to coming into contact with moisture such as water or perspiration, and due to heat applied in the usage environment. The cosmetic of the present invention contains (A) an ultraviolet protectant; (B) at least one compound that is water-soluble and that has an IOB of 5.Type: ApplicationFiled: August 9, 2019Publication date: July 29, 2021Applicant: Shiseido Company, Ltd.Inventors: Ryoya ITO, Kouichi NAGAI, Kei UJIMOTO, Yuko NAGARE
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Publication number: 20210085592Abstract: A thickener for a non-aqueous system includes a water-soluble polymer and a counterpart that ionically and/or electrostatically interacts with the water-soluble polymer.Type: ApplicationFiled: July 31, 2018Publication date: March 25, 2021Applicant: SHISEIDO COMPANY, LTD.Inventors: KOUICHI NAGAI, hiroki GOMI, Kayoko NAOI, Yuko NAGARE
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Publication number: 20200371027Abstract: The purpose of the present invention is to newly provide a method with which it is possible to appropriately evaluate the protective effect of an external preparation for skin such as a sunscreen cosmetic, particularly to evaluate how a UV-ray protective effect is affected by heat. This evaluation method is characterized by including (1) a step for forming a coating film of an external preparation for skin on a substrate, (2) a step for heat-treating the coating film of the external preparation for skin, and (3) a step for measuring the UV-ray protective effect of the heat-treated coating film of the external preparation for skin. The heat treatment is preferably carried out for at least one minute at a temperature of 30-70° C.Type: ApplicationFiled: January 31, 2019Publication date: November 26, 2020Applicant: Shiseido Company, Ltd.Inventors: Kouichi NAGAI, Kei UJIMOTO, Marianne Ayaka TOUATI, Yuko NAGARE, Satoshi YAMAKI
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Patent number: 10729631Abstract: The purpose of the present invention is to provide an oil-in-water emulsion composition exhibiting high UV-protective capabilities with which it is possible to uniformly and stably disperse a hydrophobized metal oxide into an inner phase (oil phase) without detracting from the inherent fresh sensation on use of an oil-in-water emulsion composition even when a high amount of the hydrophobized metal oxide is compounded therewith. In summary, the present invention is an oil-in-water emulsion composition characterized by including (A) 0.1-5 mass % of polyether-modified silicone having an HLB (Si) of 5-14, (B) one or more hydrophilic thickeners, (C) a metal oxide hydrophobized by an agent other than metal soap, and (D) nonvolatile oil other than silicone oil, the (C) hydrophobized metal oxide being present in the inner phase.Type: GrantFiled: June 30, 2015Date of Patent: August 4, 2020Assignee: SHISEIDO COMPANY, LTD.Inventors: Yuko Nagare, Kazuhiro Yamaguchi, Mayuri Tashiro
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Publication number: 20200163847Abstract: 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 ?m, 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.Type: ApplicationFiled: June 6, 2018Publication date: May 28, 2020Applicant: SHISEIDO COMPANY, LTD.Inventors: Marianne Ayaka TOUATI, Satoshi YAMAKI, Yurika WATANABE, Takahiro KATORI, Yuko NAGARE
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Publication number: 20200155440Abstract: The present invention has the purpose of providing an oil-in-water emulsion cosmetic that contains a high quantity of an ultraviolet absorbing agent and an ultraviolet scattering agent in the oil phase and achieves a high SPF, while simultaneously having a Distinctive fresh feeling in use when applied to the skin. The present invention provides an oil-in-water emulsion cosmetic characterized by comprising (A) 0.05 to 1% by mass of a hydrophobically modified alkyl cellulose; (B) 5 to 40% by mass of an oil component; (C) 2.5 to 30% by mass of an ultraviolet scattering agent having a hydrophobic surface; and (D) a water phase thickener having low salinity tolerance; wherein the (C) ultraviolet scattering agent is dispersed in the oil phase.Type: ApplicationFiled: January 27, 2020Publication date: May 21, 2020Applicant: SHISEIDO COMPANY, LTD.Inventors: MAYURI TASHIRO, YUKO NAGARE, TAKASHI MATSUI
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Patent number: 10300008Abstract: The present invention relates to a water-based cosmetic wherein a hydrophobic powder is directly dispersed in the water phase of the water-based cosmetic, the water-based cosmetic having the excellent smoothness, water resistance and cosmetic durability characteristic of hydrophobic powders, while maintaining the refreshing sensation of use that is inherent in water-based cosmetics. The invented water-based cosmetic is characterized by comprising: (A) 0.1 to 5 mass % of a polyether-modified silicone having an HLB (Si) of 5 to 14; (B) one or more hydrophilic thickeners; (C) a polyol and/or an ethyl alcohol; and (D) one or more hydrophobic powders chosen from among metal oxides hydrophobically treated without using a metal soap, hydrophobic organic powders and silicone powders; wherein the (D) hydrophobic powder is dispersed in the water phase.Type: GrantFiled: June 30, 2015Date of Patent: May 28, 2019Assignee: SHISEIDO COMPANY, LTD.Inventor: Yuko Nagare
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Publication number: 20170333301Abstract: 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.Type: ApplicationFiled: October 30, 2015Publication date: November 23, 2017Applicant: SHISEIDO COMPANY, LTD.Inventors: Satoshi YAMAKI, Kazutaka SASAKI, Takashi MATSUI, Yurika WATANABE, Mayuri TASHIRO, Yuko NAGARE, Marianne Ayaka TOUATI, Kazuhiro YAMAGUCHI