Process for development-processing silver halide light-sensitive

Details Process for development-processing silver halide light-sensitive Process for development-processing silver halide light-sensitive

1981-07-24

1983-02-01

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430446, 430488, G03C 530

Patent

active

043716105

ABSTRACT:
A process for development-processing a silver halide black-and-white photographic light-sensitive material without silver stain and fog by the use of a developing solution which contains 0.1 mole/l or more of sulfite and at least one compound represented by the following general formula (I) or (II) ##STR1## wherein M represents a hydrogen atom, an alkali metal atom or an ammonium group; R represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; n represents an integer of 1 to 8; and X represents a sulfonic acid group, a sulfonate group, a carboxylic acid group or a carboxylate group.

REFERENCES:
patent: 3173789 (1965-03-01), King et al.
patent: 3212892 (1965-10-01), von Konig et al.
patent: 3545971 (1970-12-01), Barnes et al.
patent: 3623872 (1971-11-01), Berthold et al.
patent: 4141734 (1979-02-01), Lenoir et al.

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