Patents Assigned to Anken Industries
  • Recovery of silver from photographic film
    Patent number: 4093532
    Abstract: Apparatus for reclaiming silver from solution. Photographic film is transported through a plurality of compartments within which fluids act upon the constituents in the film coating. One of the compartments contains fluid that includes a silver complex dissolved therein, and a silver precipitating unit is positioned within that compartment. The precipitating unit includes anode-cathode elements connected to a source of electrical potential for depositing silver upon the elements.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: June 6, 1978
    Assignee: Anken Industries
    Inventor: Nick G. Branibar