Patents by Inventor Takuo Kanou

Takuo Kanou 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).

  • Coal liquefaction process
    Patent number: 4437974
    Abstract: A coal liquefaction process and apparatus therefor are disclosed. According to this invention, a finely divided coal and a solvent are contacted with molecular hydrogen in the presence of a catalyst to provide a slurry, the slurry is separated into a gaseous component, a liquid component and a solid residue, the solid residue which is the liquefaction residue is then supplied to a molten metal bath together with oxygen gas to generate a gas entraining fine powdery solids, and the thus recovered fine powdery solids are returned to the liquefaction process as a catalyst.
    Type: Grant
    Filed: June 17, 1982
    Date of Patent: March 20, 1984
    Assignee: Sumitomo Metal Industries, Ltd.
    Inventors: Ryohei Minami, Shozo Okamura, Yoshihiko Sunami, Takuji Hosoi, Takuo Kanou