Patents by Inventor Shigeyuki Kurita

Shigeyuki Kurita 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).

  • Method of preparing shaped active carbon
    Patent number: 4051098
    Abstract: This invention relates to a process for manufacturing a shaped active carbon by using a one step phenol-formaldehyde resin, a modified phenol-formaldehyde resin or a mixture thereof as a binder. By this method, a shaped active carbon can be obtained having increased mechanical strength without deterioration of the adsorption capacity.
    Type: Grant
    Filed: July 30, 1976
    Date of Patent: September 27, 1977
    Assignees: Sumitomo Durez Company, Ltd., Daiichi Tanso Kogyo KK
    Inventors: Takeshi Takemura, Yoshihisa Katoh, Shigeyuki Kurita, Susumu Sasaki, Kyohei Funabiki, Keizo Hatano