Patents by Inventor Tomofumi Kawabe

Tomofumi Kawabe 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).

  • Production of tertiary olefins
    Patent number: 4398051
    Abstract: Method of producing tertiary olefins from alkyl tert-alkyl ethers using a catalyst produced by calcining an aluminum compound supported on a carrier containing silicon oxides at a temperature above that at which the aluminum compound decomposes.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: August 9, 1983
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masashi Araki, Takuo Hibi, Tomofumi Kawabe, Takeshi Yamahara