G - Physics – 03 – C
Patent
G - Physics
03
C
G03C 5/31 (2006.01) C02F 1/70 (2006.01) C22B 11/00 (2006.01)
Patent
CA 2090232
A silver recovery element (10) for treating a photographic developer solution containing silver ions comprises a substrate (20) having thereon a hydrophilic colloid layer containing physical development nuclei. The invention also comprises a process for recovering silver from a photographic developer solution containing silver ions, such process comprising contacting the solu- lion with the silver recovery element. The contacting is for a time sufficient to reduce the concentration of silver in the solution to a desired level. The recovery element and process for its use are useful in treating a a seasoned photographic developer solution containing silver ions.
Badger John Stuart
Mc Guckin Hugh Gerald
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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