Processing process for silver halide black and white photographi

Details Processing process for silver halide black and white photographi Processing process for silver halide black and white photographi

1989-05-05

1990-03-06

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

430963, 430436, 430437, 430440, 430441, 430375, G03C 524

Patent

active

049065530

ABSTRACT:
A process for processing a silver halide black and white photographic material, which comprises processing, after imagewise exposing, a silver halide black and white photographic material spectrally sensitized by a sensitizing dye with a processing solution containing at least one compound satisfying the following condition 1 and/or a salt thereof in an amount of at least 5.times.10.sup.-5 mol/liter;
Condition 1:

REFERENCES:
patent: 3380828 (1968-04-01), Kitze et al.
patent: 3666457 (1972-05-01), Youngquist et al.
patent: 3672891 (1972-06-01), Wyand et al.
patent: 3672896 (1972-06-01), Gabrielsen et al.
patent: 4775612 (1988-10-01), Abe et al.
Research Disclosure, vol. 207, No. 20733 (Jul. 1981).

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