Patents by Inventor Atsushi Kayou

Atsushi Kayou 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 the simultaneous preparation of acrylonitrile and arcylic acid
    Patent number: 6166241
    Abstract: The present invention relates to a method for the simultaneous production of acrylonitrile and acrylic acid by reacting propane with ammonia and oxygen in the gas phase catalytic oxidation in the presence of a metal oxide catalyst containing vanadium and at least one member selected from tellurium, antimony and molybdenum and adjusting the molar ratio of propane to ammonia to from 2 to 10 and the molar ratio of oxygen to ammonia to from 2 to 10.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: December 26, 2000
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Atsushi Kayou, Tatsuya Ihara