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).

  • Patent number: 9820932
    Abstract: 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: Grant
    Filed: December 19, 2005
    Date of Patent: November 21, 2017
    Assignee: KOKYU ALCOHOL KOGYO CO., LTD.
    Inventors: Kyoichi Takeda, Yuki Kokeguchi, Mari Yoshida, Kiyoshi Maeno
  • Patent number: 9789042
    Abstract: 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: Grant
    Filed: March 26, 2012
    Date of Patent: October 17, 2017
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
  • Patent number: 9504633
    Abstract: 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: Grant
    Filed: December 24, 2009
    Date of Patent: November 29, 2016
    Assignee: KOKYU ALCOHOL KOGYO CO., LTD.
    Inventor: Yuki Kokeguchi
  • Patent number: 8765109
    Abstract: 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: Grant
    Filed: December 26, 2008
    Date of Patent: July 1, 2014
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Mari Yoshida, Yuki Kokeguchi
  • Patent number: 8617525
    Abstract: 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: Grant
    Filed: December 10, 2008
    Date of Patent: December 31, 2013
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Mari Yoshida, Yuki Kokeguchi
  • Patent number: 8562957
    Abstract: 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: Grant
    Filed: January 29, 2010
    Date of Patent: October 22, 2013
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Yuki Kokeguchi, Kyoichi Takeda, Kiyotaka Kawai
  • Patent number: 8420109
    Abstract: 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: Grant
    Filed: August 5, 2010
    Date of Patent: April 16, 2013
    Assignee: Kokyo Alcohol Kogyo Co., Ltd.
    Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
  • Patent number: 8367084
    Abstract: 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: Grant
    Filed: June 17, 2010
    Date of Patent: February 5, 2013
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Nana Arahira, Yuki Kokeguchi, Kiyotaka Kawai
  • Patent number: 8334400
    Abstract: 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: Grant
    Filed: December 16, 2009
    Date of Patent: December 18, 2012
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Kyoichi Takeda, Yuki Kokeguchi
  • Publication number: 20120244100
    Abstract: 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: Application
    Filed: March 26, 2012
    Publication date: September 27, 2012
    Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
  • Patent number: 7993631
    Abstract: 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: Grant
    Filed: April 12, 2007
    Date of Patent: August 9, 2011
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Kyoichi Takeda, Yuki Kokeguchi, Hidetoshi Sone, Kiyotaka Kawai
  • Patent number: 7993662
    Abstract: 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: Grant
    Filed: June 14, 2006
    Date of Patent: August 9, 2011
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Mari Yoshida, Yuki Kokeguchi, Kiyoshi Maeno, Kiyotaka Kawai
  • Publication number: 20110034723
    Abstract: 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: Application
    Filed: August 5, 2010
    Publication date: February 10, 2011
    Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
  • Publication number: 20100324136
    Abstract: 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: Application
    Filed: June 17, 2010
    Publication date: December 23, 2010
    Applicant: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Nana Arahira, Yuki Kokeguchi, Kiyotaka Kawai
  • Patent number: 7824663
    Abstract: 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: Grant
    Filed: March 9, 2006
    Date of Patent: November 2, 2010
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Kyoichi Takeda, Yuki Kokeguchi, Mari Yoshida, Kiyoshi Maeno
  • Publication number: 20100203003
    Abstract: 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: Application
    Filed: January 29, 2010
    Publication date: August 12, 2010
    Applicant: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Yuki Kokeguchi, Kyoichi Takeda, Kiyotaka Kawai
  • Patent number: 7766978
    Abstract: 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: Grant
    Filed: October 15, 2008
    Date of Patent: August 3, 2010
    Assignee: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Yuki Kokeguchi, Kyoichi Takeda, Kiyotaka Kawai
  • Publication number: 20100166684
    Abstract: 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: Application
    Filed: December 24, 2009
    Publication date: July 1, 2010
    Applicant: Kokyu Alcohol Kogyo Co., Ltd.
    Inventor: Yuki KOKEGUCHI
  • Publication number: 20100150855
    Abstract: 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: Application
    Filed: December 16, 2009
    Publication date: June 17, 2010
    Applicant: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Kyoichi Takeda, Yuki Kokeguchi
  • Publication number: 20090280077
    Abstract: 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: Application
    Filed: December 26, 2008
    Publication date: November 12, 2009
    Applicant: Kokyu Alcohol Kogyo Co., Ltd.
    Inventors: Mari Yoshida, Yuki Kokeguchi