Patents by Inventor Kusuo Ohki

Kusuo Ohki 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).

  • Elimination of nitrogen oxides from exhaust gases with nitriles
    Patent number: 4080425
    Abstract: An exhaust gas containing nitrogen oxides is efficiently purified without the necessary use of catalysts by contacting the exhaust gas with a nitrile compound at high temperature in the presence of oxygen, whereby the nitrogen oxides and the nitrile compound are selectively decomposed into harmless materials.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: March 21, 1978
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Tetsuo Tanaka, Tadatsugu Yamamoto, Yasuo Takahashi, Hideaki Obana, Kunio Watanabe, Kunihiko Wada, Kunihiko Yamashita, Kusuo Ohki