Patents Represented by Law Firm Jacobs & Jacobs, P. C.
  • Patent number: 4045553
    Abstract: The known sterilization and purification properties of activated carbon which is impregnated with silver are restored by treating spent silver impregnated activated carbon with steam.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: August 30, 1977
    Assignee: Nippon Shinyaku Company, Limited
    Inventors: Nobuo Mitsumori, Chikahiro Takeda, Hideichi Miyasako