Plicatic acid derivative as preservative for agx developing...

Details Plicatic acid derivative as preservative for agx developing... Plicatic acid derivative as preservative for agx developing...

G - Physics

03

C

96/58

G03C 5/30 (2006.01) G03C 5/305 (2006.01)

Patent

CA 1069746

- 1 - PRESERVATIVES FOR PHOTOGRAPHIC DEVELOPERS Abstract of the Disclosure The storage life of silver halide developer solu- tions is extended by the addition to the solutions of salts, esters and amides of plicatic acid. - 1 -

231546

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