Patents by Inventor Shizunori Miyamoto

Shizunori Miyamoto 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 preparing dimethyl naphthalene
    Patent number: 3931348
    Abstract: A process for preparing dimethyl naphthalenes, which comprises heating a compound, such as methyl-4-(p-tolyl) butane, methyl-4-(p-tolyl)butene or methyl-4-(p-tolyl)butadiene, in the presence of a cyclization-dehydrogenation catalyst.
    Type: Grant
    Filed: December 21, 1973
    Date of Patent: January 6, 1976
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Katsuo Taniguchi, Shizunori Miyamoto, Hideto Matsuoka