Patents by Inventor Tetuo Miyazaki

Tetuo Miyazaki 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 producing trimethyl-p-benzoquinone
    Patent number: 3932475
    Abstract: A process for producing trimethyl-p-benzoquinone by halogenating 2,3,5- or 2,3,6-trimethylphenol and oxidizing the resulting 2,3,5- or 2,3,6-trimethyl-4-halogenophenol, is disclosed. The resulting compound can readily be converted to trimethylhydroquinone useful as a starting material for producing vitamin E.
    Type: Grant
    Filed: June 27, 1973
    Date of Patent: January 13, 1976
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tetuo Miyazaki, Sunao Munemiya, Akira Tasaka