Patents by Inventor Tetsuo Iiguni

Tetsuo Iiguni 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: 3968165
    Abstract: A process for producing acrolein which comprises catalytic oxidizing propylene in the vapor phase with oxygen and steam in the presence of novel catalyst, having superior nature in activity, and composed of oxides of Mo, Co, Fe, Bi, and Sn with or without one or more of Al, Ni, W, Cr, In, and Nb, is disclosed.
    Type: Grant
    Filed: January 10, 1974
    Date of Patent: July 6, 1976
    Assignee: Rohm and Haas Company
    Inventors: Isao Ono, Tetsuo Iiguni, Mitsumasa Akashi