Photographic processing method using a cartridge

Details Photographic processing method using a cartridge Photographic processing method using a cartridge

1995-06-05

1996-07-02

Rutledge, D.

354331, 354336, 354322, G03D 302

Patent

active

055327800

ABSTRACT:
A photographic processing machine having at least two processing tanks for holding different processing solutions and a removable container (100) containing working strength processing solutions and a washing-stabilizing solution in separate sub-containers therein from which the processing tanks are fed, wherein the last sub-container that feeds the washing-stabilizing tank comprises an ion-exchange resin, an indicator means capable of undergoing a color change when, the ion-exchange resin is exhausted.

REFERENCES:
patent: 2935194 (1960-05-01), Tomkin
patent: 4734728 (1988-03-01), Muller
patent: 4801961 (1989-01-01), Hirai et al.
patent: 5110479 (1992-05-01), Frommer et al.
patent: 5347336 (1994-09-01), Yamada et al.

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