Method of treating a seasoned ascorbic acid developer
AssigneeEastman Kodak Company
InventorsIsabelle Fleury, Philippe Strauel
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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.
Claims5
Method of treating a seasoned photographic silver halide developer, said seasoned developer containing silver bromide a developing agent of the ascorbic acid type, said method comprising the step of treating the seasoned developer with an anion exchange resin having an affinity for the bromide ions greater than its affinity for carbonate ions.
Dependencies are inferred from the claim text.