Patents by Inventor Eiiti Sugiyama

Eiiti Sugiyama 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).

  • Preparation process of acetic acid
    Patent number: 4569948
    Abstract: This invention relates to a process for preparing acetic acid from carbon noxide gas and hydrogen gas, which process comprises catalytically reacting carbon monoxide gas and hydrogen gas under elevated pressures and in a liquid medium containing a ruthenium compound, cobalt compound and promoter(s).
    Type: Grant
    Filed: July 23, 1984
    Date of Patent: February 11, 1986
    Assignees: Agency of Industrial Science and Technology, Extra-Ministerial Bureau of Ministry of International Trade and Industry
    Inventors: Hiroshi Ono, Masao Hashimoto, Eiiti Sugiyama, Kenji Fujiwara, Kenji Yoshida
  • Catalytic gasification
    Patent number: 4331451
    Abstract: A process for catalytic gasification of heavy oil of a specific gravity of higher than 0.7 with steam or steam/oxygen-containing gas characterized in that the heavy oil is contacted with chromium oxide catalyst or a catalyst comprising a mixture of chromium oxide and one or more of alkaline earth metal oxides, aluminum oxide, zirconium oxide, nickel oxide and cobalt oxide.More particularly, the present invention relates to a process for catalytic gasification of heavy oil of a specific gravity of higher than 0.7 characterized in that the heavy oil is contacted with a gasification catalyst comprising calcium aluminate, an alkali aluminate or tungsten-containing nickel and then the heavy oil is further contacted with said chromium oxide catalyst or chromium oxide-containing catalyst.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: May 25, 1982
    Assignees: Mitsui Toatsu Chemicals, Inc., Toyo Engineering Corporation
    Inventors: Kazuyoshi Isogaya, Eiiti Sugiyama, Kenji Yoshida, Katsutoshi Kikuchi