Method for storing developers

Details Method for storing developers Method for storing developers

1977-11-04

1980-08-12

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25B 304

Patent

active

042171881

ABSTRACT:
A method for regenerating a spent developer used for processing silver halide photographic materials which comprises electrolyzing the spent developer using an electrolytic cell including an ion exchange membrane and composed of a cathode compartment and an anode compartment with the anode and the cathode being separated from each other by an anion exchange membrane, while charging the spent developer into the cathode compartment and an electrolytic solution into the anode compartment.

REFERENCES:
patent: 3296112 (1967-01-01), Hollsman
patent: 3925175 (1975-12-01), Fisch et al.
patent: 4036715 (1977-07-01), Baden et al.

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