Patents by Inventor Takehara Masahiko

Takehara Masahiko 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).

  • Patent number: 4113782
    Abstract: A process for the preparation of formylated phenoxy compounds characterized in that a methylated phenoxy compound such as p-methoxytoluene in oxidized in liquid phase under heating with pressurized gaseous oxygen in the presence of at least one of lower fatty acids and anhydrides thereof and by the aid of at least one of soluble salts of metals selected from the group consisting of cobalt, manganese, chromium and nickel, as catalyst.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: September 12, 1978
    Assignee: Agency of Industrial Science and Technology
    Inventors: Imamura Juichi, Takehara Masahiko, Kizawa Kazuhiro