Patents Represented by Attorney, Agent or Law Firm Chris P. Konkole
  • Recovery of metal from solution
    Patent number: 6508928
    Abstract: The invention relates to a method for controlling the recovery of a metal, such as silver, from a solution flowing through an electrolytic cell. A constant current is applied between the anode and cathode of the cell and the rate of change of the voltage monitored, the information obtained from the monitored change of voltage being used to control the rate of recovery of the metal.
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: January 21, 2003
    Assignee: Eastman Kodak Company
    Inventors: Nicholas J. Dartnell, Christopher B. Rider