The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 21, 2003
Filed:
May. 11, 2001
Applicant:
Inventors:
Nicholas J. Dartnell, Harrow, GB;
Christopher B. Rider, New Malden, GB;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 1/502 ;
U.S. Cl.
CPC ...
C25B 1/502 ;
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.