Patents by Inventor Shoichi Oishi

Shoichi Oishi 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).

  • Process for producing allyl chloride
    Patent number: 6414204
    Abstract: In a process for production of allyl chloride whereby allyl alcohol and hydrogen chloride are reacted in the presence of a catalyst and the resulting allyl chloride is distilled off from the reaction system, the by-production of diallyl ether is suppressed by lowering the molar concentration ratio of hydrogen chloride with respect to allyl alcohol in the reaction solution ([AAL]½/[HCL]).
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: July 2, 2002
    Assignee: Showa Denko K.K.
    Inventors: Kenji Usui, Shoichi Oishi, Toshitaka Hiro, Tatsuharu Arai
  • Process for producing allyl chloride
    Publication number: 20020045784
    Abstract: In a process for production of allyl chloride whereby allyl alcohol and hydrogen chloride are reacted in the presence of a catalyst and the resulting allyl chloride is distilled off from the reaction system, the by-production of diallyl ether is suppressed by lowering the molar concentration ratio of hydrogen chloride with respect to allyl alcohol in the reaction solution ([AAL]½/[HCL]).
    Type: Application
    Filed: February 15, 2001
    Publication date: April 18, 2002
    Inventors: Kenji Usui, Shoichi Oishi, Toshitaka Hiro, Tatsuharu Arai