Patents by Inventor Yuki Kokeguchi
Yuki Kokeguchi 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: 9820932Abstract: The present invention relates to cosmetics comprising a hydroxyl compound obtained by the reaction of a di- or higher-valent alcohol with a monovalent carboxylic acid and dimer acid, characterized in that the hydroxyl compound is obtained by reacting diglycerin with isostearic acid, and then reacting the obtained ester compound with dimer acid, wherein a molar ratio among diglycerin, isostearic acid and dimer acid is in the range of 1.0:1.4 to 1.6:0.5 to 0.8. The present invention provides cosmetics comprising the hydroxyl compounds having a high hydroxyl value.Type: GrantFiled: December 19, 2005Date of Patent: November 21, 2017Assignee: KOKYU ALCOHOL KOGYO CO., LTD.Inventors: Kyoichi Takeda, Yuki Kokeguchi, Mari Yoshida, Kiyoshi Maeno
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Patent number: 9789042Abstract: The present invention relates to a damaged hair improving agent, comprising: (A) an ester compound made from dipentaerythritol and at least one fatty acid selected from the group consisting of fatty acids having 5 to 16 carbon atoms, wherein the molar ratio of dipentaerythritol residue to the fatty acid (having 5 to 16 carbon atoms) residue ranges from 1.0:3.0 to 1.0:6.0, and one or more substances selected from the group consisting of (B) an ester compound having a linear or branched alkyl or alkenyl group having 16 to 18 carbon atoms wherein hydrogen atoms on these groups are optionally replaced with hydroxyl groups, and a viscosity of 2,000 mPa·s or less at 25° C. (exclusive of the component (A)), (C) an alcohol having a linear or branched alkyl or alkenyl group having 16 to 18 carbon atoms and a viscosity of 2,000 mPa·s or less at 25° C., and (D) hydrocarbon oil having at least 20 carbon atoms.Type: GrantFiled: March 26, 2012Date of Patent: October 17, 2017Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
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Patent number: 9504633Abstract: There is provided a novel water-in-oil type emulsified cosmetic comprising a diester of neopentylglycol with isononanoic acid. Said cosmetic exhibits not only the refreshed feeling on use without unfavorable stickiness after application, but also proper oily feeling. There are obtained good affinity to the skin, little occurrence of creasing and/or make-up deterioration, no oily sheen upon the elapse of long periods of time after application, and little irritation to the skin and excellent safety to the skin. In addition, the present cosmetic is able to be removed with commercially available cleansing agents. Moreover, the dispersibility of pigments as well as the storage stability is excellent. A water-in-oil type emulsified cosmetic comprising (A) 10 to 60 parts by mass of a diester represented by the following formula (I): (B) 1.0 to 11 parts by mass of a nonionic surfactant, (C) 0.3 to 11 parts by mass of an oil-soluble and/or water-soluble thickener, (D) 0.Type: GrantFiled: December 24, 2009Date of Patent: November 29, 2016Assignee: KOKYU ALCOHOL KOGYO CO., LTD.Inventor: Yuki Kokeguchi
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Patent number: 8765109Abstract: A cosmetic comprising an amino acid oil gelling agent, a polyamide resin and a monoester, wherein the amino acid oil gelling agent is one or more selected from dibutyl ethylhexanoyl glutamide and dibutyl lauroyl glutamide, and wherein said monoester is one or more selected from a monoester having a C9 to C24 linear chain or branched chain fatty acid moiety and/or a C9 to C24 linear chain or branched chain alcohol moiety, and said monoester is 20-80 mass % of the cosmetic. Cosmetic products, and methods for making and preparing cosmetics.Type: GrantFiled: December 26, 2008Date of Patent: July 1, 2014Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Mari Yoshida, Yuki Kokeguchi
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Patent number: 8617525Abstract: In the prior cosmetics, the cosmetic product provided with sufficient storage stability together with excellent usability can not be realized, and it has been an actual state that a cosmetic product having sense of non-tackiness etc. and excellent usability has poor storage stability. The present invention provides a cosmetic for providing a cosmetic product having more excellent usability and storage stability as a cosmetic, and a method for making the same. The cosmetic of the present invention is characterized by comprising an amino acid oil gelling agent and a polyamide resin, thereby a cosmetic product having excellent usability and sufficient storage stability in combination can be realized.Type: GrantFiled: December 10, 2008Date of Patent: December 31, 2013Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Mari Yoshida, Yuki Kokeguchi
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Patent number: 8562957Abstract: Conventional hair cosmetic materials have difficulty in achieving both high improvement effects on damaged hair and excellent sensation upon use. The present invention provides an oil-based hair cosmetic material to realize hair cosmetics having both high improvement effects on damaged hair and excellent sensation upon use, and a production method of the same.Type: GrantFiled: January 29, 2010Date of Patent: October 22, 2013Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Yuki Kokeguchi, Kyoichi Takeda, Kiyotaka Kawai
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Patent number: 8420109Abstract: The present invention provides an oily base for a cosmetic comprising an ester compound made from a multivalent alcohol and a fatty acid, characterized in that the ester compound is made from dipentaerythritol and at least one fatty acid selected from the group consisting of fatty acids having 5 to 16 carbon atoms and a molar ratio of a dipentaerythritol residue to a fatty acid residue having 5 to 16 carbon atoms in the ester compound is 1.0:3.0 to 1.0:6.0. The aforesaid oily base for a cosmetic has proper oily feeling with moistness, no uncomfortable sticky feeling, excellent safety to the skin and adhesion to the skin, excellent gloss-holding ability after application to the skin, and excellent compatibility with various oil agents. In addition, upon blending the ester compound in various cosmetics, the cosmetics also have proper emollient property.Type: GrantFiled: August 5, 2010Date of Patent: April 16, 2013Assignee: Kokyo Alcohol Kogyo Co., Ltd.Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
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Patent number: 8367084Abstract: The present invention provides an oily base for a cosmetic comprising an ester compound made from a multivalent alcohol and a fatty acid, characterized in that the ester compound is made from pentaerythritol and isononanoic acid and a molar ratio of a pentaerythritol residue and an isononanoic acid residue in the ester compound is 1.0:2.3 to 1.0:4.0. The oily base for a cosmetic of the present invention has proper oily feeling with moistness, no sticky feeling, excellent adhesion to the skin and safety to the skin, and excellent compatibility with oil agents, among others, silicone oil. Furthermore, upon blending the present oily base in a cosmetic, besides having proper emollient property and moisturizing property, the cosmetic exhibits smooth feeling on use, excellent adhesion to the skin and safety to the skin, excellent cosmetic effect-holding ability, and storage stability.Type: GrantFiled: June 17, 2010Date of Patent: February 5, 2013Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Nana Arahira, Yuki Kokeguchi, Kiyotaka Kawai
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Patent number: 8334400Abstract: There are provided a novel hydroxyl compound having proper hydroxyl values which exhibits not only excellent moisturizing ability and emollient ability when it is blended in cosmetics, but also, among others, excellent gloss-holding ability, and a cosmetic comprising said hydroxyl compound. A hydroxyl compound obtained by reacting a di- or higher-valent alcohol with a monovalent carboxylic acid to obtain an ester compound, which is then reacted with dimer acid, characterized in that the di- or higher-valent alcohol is diglycerin, and the monovalent carboxylic acid is a carboxylic acid having 5 to 10 carbon atoms, and a molar ratio among diglycerin, the carboxylic acid having 5 to 10 carbon atoms and dimer acid is 1.0:1.5 to 1.6:0.4 to 0.6.Type: GrantFiled: December 16, 2009Date of Patent: December 18, 2012Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Kyoichi Takeda, Yuki Kokeguchi
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Publication number: 20120244100Abstract: A damaged hair improving agent, including (A) an ester compound made from dipentaerythritol and at least one fatty acid having 5 to 16 carbon atoms, the molar ratio of dipentaerythritol residue to fatty acid residue ranging from 1.0:3.0 to 1.0:6.0, and one or more substances being either (B) an ester compound having a linear or branched alkyl or alkenyl group having 16 to 18 carbon atoms in which hydrogen atoms on these groups are replaced with hydroxyl groups, and a viscosity of 2,000 mPa·s or less at 25° C. (exclusive of (A)), (C) an alcohol having a linear or branched alkyl or alkenyl group having 16 to 18 carbon atoms and a viscosity of 2,000 mPa·s or less at 25° C., or (D) hydrocarbon oil having at least 20 carbon atoms. A sleek fell and reduction in gritty feel of hair are obtained.Type: ApplicationFiled: March 26, 2012Publication date: September 27, 2012Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
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Patent number: 7993631Abstract: To provide an oil base having appropriate hardness and viscosity and excellent spreadability, a process for producing same, and a cosmetic material containing the oil base The oil base of the present invention is an oil base containing an ester condensate obtained by a reaction between polyglycerol, 12-hydroxystearic acid, and hydrogenated dimer acid, the oil base having a three-dimensional network structure in which hydrogenated dimer acid is condensed with a hydroxyl group of each of the polyglycerol and 12-hydroxystearic acid.Type: GrantFiled: April 12, 2007Date of Patent: August 9, 2011Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Kyoichi Takeda, Yuki Kokeguchi, Hidetoshi Sone, Kiyotaka Kawai
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Patent number: 7993662Abstract: A solid cosmetic comprising components (A), (B), (C), and (D) below: (A) a polyamide resin; (B) diisostearyl malate; (C) a polyglyceryl isostearate; and (D) a liquid oil; and not containing a wax when the component (A) comprises only an ester-terminated polyamide resin.Type: GrantFiled: June 14, 2006Date of Patent: August 9, 2011Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Mari Yoshida, Yuki Kokeguchi, Kiyoshi Maeno, Kiyotaka Kawai
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Publication number: 20110034723Abstract: The present invention provides an oily base for a cosmetic comprising an ester compound made from a multivalent alcohol and a fatty acid, characterized in that the ester compound is made from dipentaerythritol and at least one fatty acid selected from the group consisting of fatty acids having 5 to 16 carbon atoms and a molar ratio of a dipentaerythritol residue to a fatty acid residue having 5 to 16 carbon atoms in the ester compound is 1.0:3.0 to 1.0:6.0. The aforesaid oily base for a cosmetic has proper oily feeling with moistness, no uncomfortable sticky feeling, excellent safety to the skin and adhesion to the skin, excellent gloss-holding ability after application to the skin, and excellent compatibility with various oil agents. In addition, upon blending the ester compound in various cosmetics, the cosmetics also have proper emollient property.Type: ApplicationFiled: August 5, 2010Publication date: February 10, 2011Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
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Publication number: 20100324136Abstract: The present invention provides an oily base for a cosmetic comprising an ester compound made from a multivalent alcohol and a fatty acid, characterized in that the ester compound is made from pentaerythritol and isononanoic acid and a molar ratio of a pentaerythritol residue and an isononanoic acid residue in the ester compound is 1.0:2.3 to 1.0:4.0. The oily base for a cosmetic of the present invention has proper oily feeling with moistness, no sticky feeling, excellent adhesion to the skin and safety to the skin, and excellent compatibility with oil agents, among others, silicone oil. Furthermore, upon blending the present oily base in a cosmetic, besides having proper emollient property and moisturizing property, the cosmetic exhibits smooth feeling on use, excellent adhesion to the skin and safety to the skin, excellent cosmetic effect-holding ability, and storage stability.Type: ApplicationFiled: June 17, 2010Publication date: December 23, 2010Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Nana Arahira, Yuki Kokeguchi, Kiyotaka Kawai
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Patent number: 7824663Abstract: The present invention provides a lip gloss composition having appropriate adhesion, spreadability, durability, practical properties such as gloss on the applied surface, storage stability, and safety to skin. A lip gloss composition, comprising (A) 20 to 60 parts by mass of polyglyceryl-2 dimer dilinoleate isostearate and/or hydrogenated polyisobutene; (B) 0.5 to 1.0 part by mass of a polamide resin with an amide terminal group and/or a polyamide resin with an ester terminal group; (C) 1.75 to 7.0 parts by mass of a dextrin ester of an aliphatic: (D) 20 to 55 parts by mass of at least one hydroxy compound selected from the group consisting of diisostearyl malate, polyglyceryl-2 diisostearate polyglyceryl-2 triisostearate, dipentaerythrityl diisostearate and dipentaerylthrityl trisostearate; and (E) 15 to 40 parts by mass of a liquid oil having a viscosity of 5 to 400 mPa·s at 25 degrees C., wherein a total amount of (A) to (E) is 100 parts by mass and the ratio by mass (C)/(B) is 3.5 to 7.0.Type: GrantFiled: March 9, 2006Date of Patent: November 2, 2010Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Kyoichi Takeda, Yuki Kokeguchi, Mari Yoshida, Kiyoshi Maeno
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Publication number: 20100203003Abstract: Conventional hair cosmetic materials have difficulty in achieving both high improvement effects on damaged hair and excellent sensation upon use. The present invention provides an oil-based hair cosmetic material to realize hair cosmetics having both high improvement effects on damaged hair and excellent sensation upon use, and a production method of the same.Type: ApplicationFiled: January 29, 2010Publication date: August 12, 2010Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Yuki Kokeguchi, Kyoichi Takeda, Kiyotaka Kawai
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Patent number: 7766978Abstract: Provided are acidic hair dye compositions in which the dye has a high permeability into hair, the dye can be applied uniformly, and the composition has excellent staining property, safety and sense of use at the time of hair dyeing. The acidic hair dye compositions of the present invention comprise at least one dibasic acid ester compound represented by general formula I below: wherein, in general formula I, R1 is an alkylene group which may have a substituent with 2 to 4 carbon atoms, R2 and R3 are, independently from each other, an alkyl group which may have a substituent with 1 to 4 carbon atoms, R4 and R5 are, independently from each other, hydrogen, methyl group or ethyl group, m and n is, independently from each other, an integer of 0 to 4, wherein m+n?1 (with the proviso that the case is excluded in which R2 and R3 are both ethyl group, and m and n are both 1).Type: GrantFiled: October 15, 2008Date of Patent: August 3, 2010Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Yuki Kokeguchi, Kyoichi Takeda, Kiyotaka Kawai
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Publication number: 20100166684Abstract: There is provided a novel water-in-oil type emulsified cosmetic comprising a diester of neopentylglycol with isononanoic acid. Said cosmetic exhibits not only the refreshed feeling on use without unfavorable stickiness after application, but also proper oily feeling. There are obtained good affinity to the skin, little occurrence of creasing and/or make-up deterioration, no oily sheen upon the elapse of long periods of time after application, and little irritation to the skin and excellent safety to the skin. In addition, the present cosmetic is able to be removed with commercially available cleansing agents. Moreover, the dispersibility of pigments as well as the storage stability is excellent. A water-in-oil type emulsified cosmetic comprising (A) 10 to 60 parts by mass of a diester represented by the following formula (I): (B) 1.0 to 11 parts by mass of a nonionic surfactant, (C) 0.3 to 11 parts by mass of an oil-soluble and/or water-soluble thickener, (D) 0.Type: ApplicationFiled: December 24, 2009Publication date: July 1, 2010Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventor: Yuki KOKEGUCHI
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Publication number: 20100150855Abstract: There are provided a novel hydroxyl compound having proper hydroxyl values which exhibits not only excellent moisturizing ability and emollient ability when it is blended in cosmetics, but also, among others, excellent gloss-holding ability, and a cosmetic comprising said hydroxyl compound. A hydroxyl compound obtained by reacting a di- or higher-valent alcohol with a monovalent carboxylic acid to obtain an ester compound, which is then reacted with dimer acid, characterized in that the di- or higher-valent alcohol is diglycerin, and the monovalent carboxylic acid is a carboxylic acid having 5 to 10 carbon atoms, and a molar ratio among diglycerin, the carboxylic acid having 5 to 10 carbon atoms and dimer acid is 1.0:1.5 to 1.6:0.4 to 0.6.Type: ApplicationFiled: December 16, 2009Publication date: June 17, 2010Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Kyoichi Takeda, Yuki Kokeguchi
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Publication number: 20090280077Abstract: In a prior cosmetic, a cosmetic product provided with sufficient storage stability together with excellent usability can not be realized, and it has been an actual state that a cosmetic product having sense of non-tackiness etc. and excellent usability has poor storage stability. In the present invention, as a cosmetic, a cosmetic for producing a cosmetic product having more excellent usability and storage stability, and a method for making the same, are provided. The cosmetic of the present invention is characterized in that it comprises an amino acid oil gelling agent, a polyamide resin and one or more monoesters selected from a monoester having a C9 to C24 linear chain or branched chain fatty acid residue and/or a C9 to C24 linear chain or branched chain alcohol residue, and thereby, a cosmetic product having excellent usability and sufficient storage stability in combination can be realized.Type: ApplicationFiled: December 26, 2008Publication date: November 12, 2009Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Mari Yoshida, Yuki Kokeguchi