Patents by Inventor Kimitaka Oshiro

Kimitaka Oshiro 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).

  • Fluorination catalyst and fluorination process
    Patent number: 5569795
    Abstract: A fluorination catalyst comprising indium, chromium, oxygen and fluorine as essential constituent elements thereof. The catalyst is prepared by fluorinating a catalyst precursor comprising indium and chromium elements by bringing it into contact with hydrogen fluoride or a fluorine-containing halogenated hydrocarbon at a temperature of 300.degree. to 500.degree. C. A halogenated hydrocarbon is fluorinated by bringing it into contact with hydrogen fluoride in a gaseous phase in the presence of the catalyst.
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: October 29, 1996
    Assignee: Showa Denko K. K.
    Inventors: Katsuyuki Tsuji, Kimitaka Oshiro, Tetsuo Nakajo
  • Fluorination catalyst and fluorination process
    Patent number: 5494876
    Abstract: A fluorination catalyst comprising indium, chromium, oxygen and fluorine as essential constituent elements thereof. The catalyst is prepared by fluorinating a catalyst precursor comprising indium and chromium elements by bringing it into contact with hydrogen fluoride or a fluorine-containing halogenated hydrocarbon at a temperature of 300.degree. to 500.degree. C. A halogenated hydrocarbon is fluorinated by bringing it into contact with hydrogen fluoride in a gaseous phase in the presence of the catalyst.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: February 27, 1996
    Assignee: Showa Denko K.K.
    Inventors: Katsuyuki Tsuji, Kimitaka Oshiro, Tetsuo Nakajo