Patents by Inventor Keiichi Nishibe

Keiichi Nishibe 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 preparing styrene oxide
    Patent number: 5155241
    Abstract: Styrene oxide is prepared by reacting styrene and hydrogen peroxide in a heterogenous system in the presence of a bis(tri-n-alkyltinoxy) molybdic acid and an inorganic anion.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: October 13, 1992
    Assignee: Tokai Denka Kogyo Kabushiki Kaisha
    Inventors: Keiichi Nishibe, Seiichi Rengakuji, Masami Inoue, Osami Ohura, Hirohisa Nitoh