Silver recovery element and process

Details Silver recovery element and process Silver recovery element and process

1991-06-28

1993-05-11

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Regenerating image processing composition

Developer

430398, 430400, 430488, 75713, 266170, G03C 531, C22B 344

Patent

active

052100090

ABSTRACT:
An element and a process for recovering silver from a photographic developer solution containing silver ions. The silver recovery element (10) comprises a support (12) having a hydrophilic colloid layer (16) containing physical development nuclei on at least one of two opposing outer surfaces. Raised portions (20) space adjacent surfaces in the element's rolled-up configuration. The element can be contacted with the developer solution to recover silver from the solution.

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patent: 3834546 (1974-09-01), Brun et al.
patent: 4038080 (1977-07-01), Fisch et al.
patent: 4227681 (1980-10-01), Golben
patent: 4325732 (1982-04-01), Woog
patent: 4882056 (1989-11-01), Degen et al.
patent: 4988448 (1991-01-01), Woog

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