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: 12161740Abstract: 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: GrantFiled: August 9, 2019Date of Patent: December 10, 2024Assignee: Shiseido Company, Ltd.Inventors: Kouichi Nagai, Kei Ujimoto, Yuko Nagare, Ryoya Ito, Marianne Ayaka Touati, Satoshi Yamaki
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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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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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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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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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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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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: 20150283059Abstract: The present invention provides an water-in-oil sunscreen cosmetic in which an unpleasant odor specific to zinc oxide can be suppressed by using hydrophobized silica-coated microparticle of zinc oxide, coarseness due to the hydrophobized silica-coated microparticle of zinc oxide can be suppressed and smoothly and well spreadable excellent texture are brought in reality by formulating a combination of the hydrophobized silica-coated microparticle of zinc oxide and a predetermined amount of volatile hydrocarbon oil and volatile dimethicone. The water-in-oil emulsion sunscreen cosmetic of the present invention comprises (a) a hydrophobized silica-coated microparticle of zinc oxide, (b) a volatile hydrocarbon oil, and (c) a volatile dimethicone, wherein the total amount of (b) the volatile hydrocarbon oil and (c) the volatile dimethicone is in the range of 3 to 45% by mass on the basis of the total amount of the sunscreen cosmetic.Type: ApplicationFiled: November 8, 2013Publication date: October 8, 2015Applicant: SHISEIDO COMPANY, LTD.Inventors: Yuko Nagare, Kazuhiro Yamaguchi
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Patent number: 9066860Abstract: The present invention is an oil-in-water emulsified composition and a sunscreen cosmetic characteristically comprising the following (a)-(j): (a) Octocrylene (b) Bis ethylhexyloxyphenol methoxyphenyl triazine (c) Hexyl diethylaminohydroxybenzoylbenzoate (d) 4-tert-butyl-4?-methoxybenzoylmethane (e) Water soluble polymer (f) Water-swelling clay mineral (g) Oil component having IOB of 0.05 or more (h) Higher fatty acid (i) Surfactant (j) Water The object of the present invention is to provide a sunscreen cosmetic that manifests a superior ultraviolet absorption effect and is superior in terms of the emulsification stability and the sensation during use.Type: GrantFiled: September 29, 2009Date of Patent: June 30, 2015Assignee: SHISEIDO COMPANY, LTD.Inventors: Yuko Nagare, Yosuke Ikebe, Momo Yabu, Kazuhiro Yamaguchi
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Patent number: 9034375Abstract: A water-in-oil emulsion composition which contains a low water-solubility but oil-soluble ultraviolet absorber, and which exhibits excellent ultraviolet light protection and stability. The composition contains (a) an aqueous dispersion of an oil-soluble ultraviolet absorber; (b) a polyoxyalkylene-modified polysiloxane having a molecular mass of at least 2000; and (c) at most 5 mass % of an ultraviolet scattering agent; and component (a) being contained in the internal phase. Component (a) is preferably an aqueous dispersion of a complex particle of an oil-soluble ultraviolet absorber and an organic polymer.Type: GrantFiled: April 11, 2011Date of Patent: May 19, 2015Assignee: SHISEIDO COMPANY, LTD.Inventors: Yuko Nagare, Kazuhiro Yamaguchi
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Patent number: 8992955Abstract: Disclosed is an oil-in-water emulsion base which is stable even when ethanol in an amount of 50% by mass or less is blended therein and which exhibits excellent water resistance after being applied to the skin or the like. Specifically disclosed is an oil-in-water emulsified cosmetic composition which is characterized by containing (A) 0.1-10% by mass of a polyether-modified silicone having an HLB(Si) of 5-10, (B) 5-50% by mass of ethanol, (C) 0.01-3% by mass of a hydrophilic thickening agent and (D) 0.1-15% by mass of a polyol. Preferably, the oil-in-water emulsified cosmetic composition additionally contains a UV absorbent, thereby forming a sunscreen cosmetic composition.Type: GrantFiled: March 26, 2010Date of Patent: March 31, 2015Assignee: Shiseido Company, Ltd.Inventors: Yosuke Ikebe, Yuko Nagare
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Publication number: 20130336908Abstract: Provided is a sunscreen cosmetic composition that effectively protects from both UVA and UVB, has moist and cool feeling on use as well as excellent stability, and is able to form a film having a good ultraviolet protection effect when applied to skin. An oil-in-water sunscreen cosmetic composition comprising: (a) an aqueous dispersion of an oil-soluble ultraviolet absorbent; (b) one or two or more of crosslinked polyether-modified silicones and crosslinked alkyl polyether-modified silicones; (c) a low-viscosity silicone oil; and (d) water. The aqueous dispersion of the oil-soluble ultraviolet absorbent is preferably an aqueous dispersion of composite particles of bis-ethylhexyloxyphenol methoxyphenyl triazine and an organic polymer. Furthermore, methylene bisbenzotriazolyl tetramethylbutylphenol is preferably further added.Type: ApplicationFiled: January 31, 2012Publication date: December 19, 2013Applicant: SHISEIDO COMPANY, LTD.Inventors: Kazuhiro Yamaguchi, Yuko Nagare
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Publication number: 20130028852Abstract: A oil-in-water emulsion composition which contains a low solubility but oil-soluble ultraviolet absorber. and which exhibits superior stability. The composition contains (a) an aqueous dispersion of an oil-soluble ultraviolet absorber; (b) a compound of a non-ionic surfactant and at least one type of fatty acid soap; (c) a water-swelling clay mineral: and (d) a higher fatty acid. Component (a) is preferably an aqueous dispersion of a complex particle of an oil-soluble ultraviolet absorber and an organic polymer.Type: ApplicationFiled: April 11, 2011Publication date: January 31, 2013Inventors: Yuko Nagare, Kazuhiro Yamaguchi
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Publication number: 20130022563Abstract: A water-in-oil emulsion composition which contains a low water-solubility but oil-soluble ultraviolet absorber, and which exhibits excellent ultraviolet light protection and stability. The composition contains (a) an aqueous dispersion of an oil-soluble ultraviolet absorber; (b) a polyoxyalkylene-modified polysiloxane having a molecular mass of at least 2000; and (c) at most 5 mass % of an ultraviolet scattering agent; and component (a) being contained in the internal phase. Component (a) is preferably an aqueous dispersion of a complex particle of an oil-soluble ultraviolet absorber and an organic polymer.Type: ApplicationFiled: April 11, 2011Publication date: January 24, 2013Inventors: Yuko Nagare, Kazuhiro Yamaguchi
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Publication number: 20120183480Abstract: The present invention is an oil-in-water emulsified composition and a sunscreen cosmetic characteristically comprising the following (a)-(j): (a) Octocrylene (b) Bis ethylhexyloxyphenol methoxyphenyl triazine (c) Hexyl diethylaminohydroxybenzoylbenzoate (d) 4-tert-butyl-4?-methoxybenzoylmethane (e) Water soluble polymer (f) Water-swelling clay mineral (g) Oil component having IOB of 0.05 or more (h) Higher fatty acid (i) Surfactant (j) Water The object of the present invention is to provide a sunscreen cosmetic that manifests a superior ultraviolet absorption effect and is superior in terms of the emulsification stability and the sensation during use.Type: ApplicationFiled: September 29, 2009Publication date: July 19, 2012Applicant: SHISEIDO COMPANY, LTD.Inventors: Yuko Nagare, Yosuke Ikebe, Momo Yabu, Kazuhiro Yamaguchi
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Publication number: 20120045403Abstract: Disclosed is an oil-in-water emulsion base which is stable even when ethanol in an amount of 50% by mass or less is blended therein and which exhibits excellent water resistance after being applied to the skin or the like. Specifically disclosed is an oil-in-water emulsified cosmetic composition which is characterized by containing (A) 0.1-10% by mass of a polyether-modified silicone having an HLB(Si) of 5-10, (B) 5-50% by mass of ethanol, (C) 0.01-3% by mass of a hydrophilic thickening agent and (D) 0.1-15% by mass of a polyol. Preferably, the oil-in-water emulsified cosmetic composition additionally contains a UV absorbent, thereby forming a sunscreen cosmetic composition.Type: ApplicationFiled: March 26, 2010Publication date: February 23, 2012Inventors: Yosuke Ikebe, Yuko Nagare
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Patent number: 8030267Abstract: The present invention provides new silica composite capsules that can be easily prepared, a composition containing the silica composite capsules, and a transparent gel-form composition excellent in appearance transparency and texture in use, and in particular, a transparent gel-form composition with improved cleansing properties when used as a cleanser. Micelle/silica composite capsules can easily be obtained, in an aqueous system, by mixing a material capable of forming micelles in water and a water-soluble silane derivative having a specific structure in aqueous solution. In addition, emulsion/silica composite capsules wherein the periphery of emulsion particles in the inner phase is coated with silica, can easily be obtained by mixing a surfactant, water, an oil, and a water-soluble silane derivative having a specific structure.Type: GrantFiled: September 11, 2007Date of Patent: October 4, 2011Assignee: Shiseido Company Ltd.Inventors: Yuko Nagare, Kei Watanabe, Kazutami Sakamoto, Shun Takahashi, Teruhiko Hineno
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Publication number: 20110135587Abstract: The present invention provides an easily-handled hair conditioning composition with a very low water content. The hair conditioning composition of the present invention is a composition comprising: (a) 10 to 90% by mass of one or more components selected from higher alcohols, higher fatty acids, and derivatives thereof, (b) 5 to 35% by mass of a cationic surfactant, and (c) a polyhydric alcohol and/or polyethylene glycol having a melting point of 155° C. or less, characterized in that the endothermic peak of a gel which is formed from (a) and (b) in the composition is 50° C. or more as measured by a differential scanning calorimeter (DSC) and that the water content is 10% by mass or less.Type: ApplicationFiled: August 7, 2009Publication date: June 9, 2011Applicant: SHISEIDO COMPANY, LTD.Inventors: Kouichi Kinoshita, Reiji Miyahara, Takashi Teshigawara, Yuko Nagare, Kenji Kurokawa