Method of treating a seasoned ascorbic acid developer

Details Method of treating a seasoned ascorbic acid developer Method of treating a seasoned ascorbic acid developer

1997-08-15

1998-12-01

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Regenerating image processing composition

Developer

430398, G03C 531

Patent

active

058436294

ABSTRACT:
The present invention concerns a method of treating a seasoned ascorbic acid developer for developing silver halide photographic products. The method of the invention comprises the step of treating the developer through a resin having a greater selectivity for bromide ions than for carbonate ions. This method enables ascorbic acid developers to be regenerated efficaciously.

REFERENCES:
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patent: 4163023 (1979-07-01), Endo et al.
patent: 4606827 (1986-08-01), Ernstson et al.
patent: 4680123 (1987-07-01), Wernicke et al.
patent: 5457214 (1995-10-01), O'Donnell
patent: 5491048 (1996-02-01), Anderson et al.

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