Patents by Inventor Youichi Fukunishi

Youichi Fukunishi 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).

  • Divinyl-ether compound and manufacturing method therefor
    Patent number: 9133090
    Abstract: A novel divinyl ether compound having the formula (I): wherein A indicates a single bond or a double bond which is low in odor, low in volatility, and low in skin irritability, which have low toxicities, which are useful as a starting material for a polymer composition having excellent curability, adhesiveness and transmission in the ultraviolet light region, and further, having a special reactivity alone or with other compounds, and a process for producing the same.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: September 15, 2015
    Assignee: NIPPON CARBIDE INDUSTRIES CO., LTD.
    Inventors: Youichi Fukunishi, Masahiro Murotani
  • NOVEL DIVINYL-ETHER COMPOUND AND MANUFACTURING METHOD THEREFOR
    Publication number: 20130178658
    Abstract: A novel divinyl ether compound having the formula (I): wherein A indicates a single bond or a double bond which is low in odor, low in volatility, and low in skin irritability, which have low toxicities, which are useful as a starting material for a polymer composition having excellent curability, adhesiveness and transmission in the ultraviolet light region, and further, having a special reactivity alone or with other compounds, and a process for producing the same.
    Type: Application
    Filed: October 6, 2011
    Publication date: July 11, 2013
    Applicant: NIPPON CARBIDE INDUSTRIES CO., INC.
    Inventors: Youichi Fukunishi, Masahiro Murotani
  • O-isopropyl isourea salt and production method thereof
    Patent number: 7105694
    Abstract: O-isopropyl-isourea hydrogen sulfate or sulfate represented by the formula (I): wherein X represents HSO4 or ½ SO4 and the production method thereof, wherein O-isopropyl-isourea hydrogen sulfate is obtained by reacting cyanamide and isopropyl alcohol in the presence of sulfuric acid and is neutralized with an alkali metal hydroxide to produce O-isopropyl-isourea sulfate.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: September 12, 2006
    Assignee: Nippon Carbide Kogyo Kabushiki Kaisha
    Inventors: Youichi Fukunishi, Shinichi Kakinuma, Kenichi Ishii, Masahiro Murotani
  • Novel o-isopropylisourea salts and process for the production thereof
    Publication number: 20050171372
    Abstract: O-isopropyl-isourea hydrogen sulfate or sulfate represented by the formula (I): wherein X represents HSO4 or ½ SO4 and the production method thereof, wherein O-isopropyl-isourea hydrogen sulfate is obtained by reacting cyanamide and isopropyl alcohol in the presence of sulfuric acid and is neutralized with an alkali metal hydroxide to produce O-isopropyl-isourea sulfate.
    Type: Application
    Filed: January 21, 2004
    Publication date: August 4, 2005
    Applicant: NIPPON CARBIDE KOGYO KABUSHIKI KAISHA
    Inventors: Youichi Fukunishi, Shinichi Kakinuma, Kenichi Iishi, Masahiro Murotani
  • Process for producing O-alkyl-N-cyanoimidate
    Patent number: 6613925
    Abstract: Here is provided a process of preparing an O-alkyl-N-cyanoacetimidate from cyanamide and an orthoacetic acid ester on an industrial scale and in a high yield using an inexpensive apparatus. In preparing an O-alkyl-N-cyanoacetimidate by reaction of an orthoacetic acid ester with cyanamide, the start of the reaction is made in the presence of an alkaline catalyst.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: September 2, 2003
    Assignee: Nippon Carbide Kogyo K.K.
    Inventors: Takehiko Yoshie, Hidenori Nitta, Youichi Fukunishi