Patents Assigned to Daiichi Tanso Kogyo KK
  • 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