Method for processing black-and-white silver halide photographic

Details Method for processing black-and-white silver halide photographic Method for processing black-and-white silver halide photographic

1997-12-01

1999-10-05

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430446, 430488, G03C 529

Patent

active

059622024

ABSTRACT:
A method for processing a black-and-white silver halide photographic light-sensitive material. The method comprises the steps of (1) developing the black-and-white photographic light-sensitive material containing a quaternary onium compound with a developer containing ascorbic acid or a derivative thereof and having a pH value of from 8.0 to 10.0, (2) fixing the light-sensitive material, (3) washing the light-sensitive material by an automatic processor having a multi-step counter flow washing system, and (4) drying the light-sensitive material.

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patent: 5578414 (1996-11-01), Yamamoto et al.
patent: 5578433 (1996-11-01), Morishima et al.
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patent: 5721094 (1998-02-01), Komatsu et al.
European Search Report EP 97 30 9612, Mar. 1998.
XP-002059150 Derwent--Abstract, JP7104442 Apr. 1995.
XP-002059151 Derwent--Abstract, JP8076324 Mar. 1996.

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