Wet processing of silver halide photosensitive material

Details Wet processing of silver halide photosensitive material Wet processing of silver halide photosensitive material

1990-10-22

1991-11-19

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Using plural sequential baths of same type

430372, 430393, 430400, 430428, 430430, 430431, 430455, 430460, 430461, 354322, G03C 539

Patent

active

050665707

ABSTRACT:
A processing tank is partitioned into a plurality of compartments which are serially connected to define a continuous processing path having an entrance and an exit for photosensitive material. The path is filled with a processing solution having a desilvering function such that the processing solution in at least one compartment has a different composition from the processing solution in at least one of the remaining compartments. Silver halide photosensitive material is successively passed through the compartments without contact with the ambient air. Desilvering the photosensitive material after exposure and development in this way reduces the amount of processing solution used, especially replenished, while achieving improved photographic properties.

REFERENCES:
patent: 4719173 (1988-01-01), Hahm
patent: 4780737 (1988-10-01), Kobayashi et al.
patent: 4980714 (1990-12-01), Nakamura et al.

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