Patents by Inventor Tatsuro Ashizawa

Tatsuro Ashizawa 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).

  • Method for producing aromatic alcohol
    Patent number: 5023383
    Abstract: Aromatic alcohol is produced by reducing aromatic hydroperoxide with hydrogen in a liquid phase, using a Pt catalyst solely or a catalyst containing Pt and at least one element selected from the group consisting Pb, Sn, Cu, As, Sb, In, Se and Bi in a fixed bed reactor.
    Type: Grant
    Filed: January 3, 1990
    Date of Patent: June 11, 1991
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Masashi Inaba, Ryozo Hamana, Hideyuki Hase, Tatsuro Ashizawa