Patents by Inventor Koichiro Oshima

Koichiro Oshima 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).

  • Perfluorocarbon polymer oxidation catalyst and preparation of carbonyl compound
    Patent number: 4618724
    Abstract: This invention deals with the use of a perfluorocarbon polymer oxidation catalyst consisting of a perfluorocarbon main chain and a side chain constructed from structural units of chromium (III) difluoromethylene sulfonate or cerium (IV) difluoromethylene sulfonate in a method of preparing a carbonyl compound through an oxidation of an alcohol.
    Type: Grant
    Filed: February 11, 1985
    Date of Patent: October 21, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Hitosi Nozaki, Koichiro Oshima
  • Perfluorocarbon polymer oxidation catalyst and preparation of carbonyl compound
    Patent number: 4617153
    Abstract: This invention deals with the use of a perfluorocarbon polymer oxidation catalyst consisting of a perfluorocarbon main chain and a side chain constructed from structural units of chromium (III) difluoromethylene sulfonate or cerium (IV) difluoromethylene sulfonate in a method of preparing a carbonyl compound through an oxidation of an alcohol.
    Type: Grant
    Filed: September 17, 1985
    Date of Patent: October 14, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Hitosi Nozaki, Koichiro Oshima