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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Publication number: 20170202758Abstract: 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: ApplicationFiled: June 30, 2015Publication date: July 20, 2017Applicant: SHISEIDO COMPANY, LTD.Inventors: Yuko NAGARE, Kazuhiro YAMAGUCHI, Mayuri TASHIRO
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Publication number: 20170172888Abstract: 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: November 28, 2014Publication date: June 22, 2017Applicant: SHISEIDO COMPANY, LTD.Inventors: Mayuri TASHIRO, Yuko NAGARE, Takashi MATSUI
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Publication number: 20170128352Abstract: 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: ApplicationFiled: June 30, 2015Publication date: May 11, 2017Applicant: 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
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Publication number: 20100215703Abstract: To provide a vesicle-containing composition wherein the stability is improved and the rate of releasing drug or perfume is sufficiently restricted during administration in vivo or application to the skin surface. Silica polymerization on the outer surfaces of vesicles is facilitated by adding a specifically structured water-soluble silane derivative to an aqueous composition containing the vesicles composed of a surfactant and mixing them together, and vesicle-silica composites having silica-coated outer surfaces can be obtained, resulting in the improved stability of the vesicle-containing composition as well as the improved effect of restricting the rate of releasing drug or perfume during administration in vivo or application to the skin surface.Type: ApplicationFiled: August 27, 2008Publication date: August 26, 2010Applicant: SHISEIDO COMPANY LTD.Inventors: Kei Watanabe, Yuko Nagare
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Publication number: 20100080832Abstract: To provide a vesicle-containing composition wherein a perfume component is stably incorporated in the vesicle bilayer membrane composed of a silicone surfactant and to provide a simple production method of the vesicle-containing composition wherein a perfume component is stably incorporated. A vesicle-containing composition comprising; (A) a perfume, (B) a silicone oil, (C) a silicone surfactant, (D) one or more selected from the group consisting of ethanol, propylene glycol, dipropylene glycol, and 1,3-butylene glycol, and (E) water; wherein the (C) silicone surfactant forms vesicles, and the (A) perfume and the (B) silicone oil are present in the vesicle bilayer membrane.Type: ApplicationFiled: May 15, 2008Publication date: April 1, 2010Applicant: SHISEIDO COMPANY LTD.Inventors: Kei Watanabe, Hidefumi Araki, Yuko Nagare, Yasunari Nakama, Hirokazu Ishino
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Publication number: 20100016200Abstract: 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: ApplicationFiled: September 11, 2007Publication date: January 21, 2010Applicant: SHISEIDO COMPANY LTD.Inventors: Yuko Nagare, Kei Watanabe, Kazutami Sakamoto, Shun Takahashi, Teruhiko Hineno
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Publication number: 20090258068Abstract: The present invention provides a powder that can display excellent protection ability in both UV-A and UV-B regions. The titanium oxide-zinc oxide aggregate powder comprises an aggregate formed by the aggregation of porous titanium oxide particles and zinc oxide particles, and said porous titanium oxide particle is an aggregate of primary fine particles of titanium oxide. The production method of the titanium oxide-zinc oxide aggregate powder comprises the steps of: (a) hydrolyzing, with heating, an aqueous solution containing a titanium salt and an aliphatic alcohol; (b) adding a water-soluble zinc salt to a suspension of a precipitate obtained by the hydrolysis with heating in step (a), and then neutralizing the suspension with an alkali; and (c) calcining a precipitate obtained by the neutralization in step (b).Type: ApplicationFiled: July 9, 2007Publication date: October 15, 2009Applicant: SHISEIDO COMPANY LTD.Inventors: Shoichiro Shio, Masayoshi Wada, Yukimitsu Suda, Yuko Nagare