Patents by Inventor Yuuta HASUMOTO

Yuuta HASUMOTO 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).

  • Publication number: 20210130268
    Abstract: The present disclosure provides a method for producing a reaction gas containing R-1132(E) with selectivity higher than that of known methods. Specifically, the present disclosure provides a method for producing a reaction gas containing (E)-1,2-difluoroethylene (R-1132(E)), (1) the method comprising a step of subjecting a starting material gas containing one or more fluoromethanes selected from the group consisting of chlorodifluoromethane (R-22), difluoromethane (R-32), and fluoromethane (R-41) to a reaction that involves thermal decomposition to obtain the reaction gas, and (2) the starting material gas having a water vapor content of 1 volume % or less.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 6, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tatsuya TAKAKUWA, Osamu YAMAMOTO, Katsuki FUJIWARA, Kei KURAMOTO, Yuuta HASUMOTO
  • Publication number: 20210107850
    Abstract: The present disclosure provides a method for producing a reaction gas containing R-1132(E) with selectivity higher than that of known methods. Specifically, the present disclosure provides a method for producing a reaction gas containing (E)-1,2-difluoroethylene (R-1132(E)), (1) the method comprising a step of subjecting a starting material gas containing one or more fluoromethanes selected from the group consisting of chlorodifluoromethane (R-22), difluoromethane (R-32), and fluoromethane (R-41) to a reaction that involves thermal decomposition to obtain the reaction gas, and (2) the starting material gas having a water vapor content of 1 volume % or less.
    Type: Application
    Filed: December 22, 2020
    Publication date: April 15, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tatsuya TAKAKUWA, Osamu YAMAMOTO, Katsuki FUJIWARA, Kei KURAMOTO, Yuuta HASUMOTO