Patents by Inventor Takahiro HOSONO

Takahiro HOSONO 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).

  • Method for producing cyclic ether
    Patent number: 11104655
    Abstract: A method for producing a cyclic ether represented by formula (2) includes reacting a 2-hydroxy cyclic ether, represented by formula (1), with hydrogen in the presence of a catalyst.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: August 31, 2021
    Assignee: KURARAY CO., LTD.
    Inventors: Ryosuke Shimizu, Takahiro Hosono, Ichihiro Aratani, Ryo Kouchi
  • METHOD FOR PRODUCING CYCLIC ETHER
    Publication number: 20200290983
    Abstract: A method for producing a cyclic ether represented by formula (2) includes reacting a 2-hydroxy cyclic ether, represented by formula (1), with hydrogen in the presence of a catalyst.
    Type: Application
    Filed: December 4, 2018
    Publication date: September 17, 2020
    Applicant: KURARAYCO., LTD.
    Inventors: Ryosuke SHIMIZU, Takahiro HOSONO, Ichihiro ARATANI, Ryo KOUCHI
  • Biological corrosion inhibitor for metals
    Patent number: 10087404
    Abstract: An object of the present invention is to provide a biological corrosion inhibitor for a metal, which exhibits the effect at a low concentration and is superior in biodegradability. A biological corrosion inhibitor for a metal including 3-methylglutaraldehyde as an effective ingredient is provided.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: October 2, 2018
    Assignee: KURARAY CO., LTD.
    Inventors: Takuo Tsuruta, Ryosuke Shimizu, Takahiro Hosono, Junichi Fuji, Satoshi Wakai
  • Method for producing aldehyde compound, and acetal compound
    Patent number: 10040743
    Abstract: Provided are a method for producing 3-methylglutaraldehyde in a good yield under a mild condition and a novel acetal compound which is useful for carrying out the foregoing method. The method is a production method of 3-methylglutaraldehyde including a step of hydrolyzing a compound represented by the following general formula (1): wherein R1 and R2 each independently represent an alkyl group having 1 to 6 carbon atoms, or are mutually coupled to represent an alkylene group having 2 to 6 carbon atoms.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: August 7, 2018
    Assignee: KURARAY CO., LTD.
    Inventors: Takuo Tsuruta, Ryosuke Shimizu, Takahiro Hosono, Naoya Minamoto
  • METHOD FOR PRODUCING ALDEHYDE COMPOUND, AND ACETAL COMPOUND
    Publication number: 20170369411
    Abstract: Provided are a method for producing 3-methylglutaraldehyde in a good yield under a mild condition and a novel acetal compound which is useful for carrying out the foregoing method. The method is a production method of 3-methylglutaraldehyde including a step of hydrolyzing a compound represented by the following general formula (1): wherein R1 and R2 each independently represent an alkyl group having 1 to 6 carbon atoms, or are mutually coupled to represent an alkylene group having 2 to 6 carbon atoms.
    Type: Application
    Filed: December 17, 2015
    Publication date: December 28, 2017
    Applicant: KURARAY CO., LTD.
    Inventors: Takuo TSURUTA, Ryosuke SHIMIZU, Takahiro HOSONO, Naoya MINAMOTO
  • BIOLOGICAL CORROSION INHIBITOR FOR METALS
    Publication number: 20170275575
    Abstract: An object of the present invention is to provide a biological corrosion inhibitor for a metal, which exhibits the effect at a low concentration and is superior in biodegradability. A biological corrosion inhibitor for a metal including 3-methylglutaraldehyde as an effective ingredient is provided.
    Type: Application
    Filed: September 14, 2015
    Publication date: September 28, 2017
    Applicant: KURARAY CO., LTD.
    Inventors: Takuo TSURUTA, Ryosuke SHIMIZU, Takahiro HOSONO, Junichi FUJI, Satoshi WAKAI
  • POLYESTER POLYOL HAVING ALICYCLIC SKELETON
    Publication number: 20170183442
    Abstract: To provide a polyester polyol which can prevent gelation during the urethane formation reaction in the production of a polyurethane and from which a polyurethane having stable quality can be produced. A polyester polyol containing 1,3-propanediol having an alicyclic skeleton in a side chain and a dibasic acid component as constituent components, which has an alkali metal content of 20 ppm by mass or less.
    Type: Application
    Filed: March 26, 2015
    Publication date: June 29, 2017
    Applicant: KURARAY CO., LTD.
    Inventors: Takuo TSURUTA, Shigeru OKANO, Takahiro HOSONO