Processing composition for silver halide photographic material a

Details Processing composition for silver halide photographic material a Processing composition for silver halide photographic material a

1995-01-03

1997-10-21

Caldarola, Glenn A.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430430, 430461, 430418, 430963, 430460, G03C 700, G03C 542, G03C 544, G03C 518

Patent

active

056795017

ABSTRACT:
A novel process and processing composition for processing a silver halide photographic material is disclosed. The processing composition is an of a compound represented by formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represents a hydrogen atom, an aliphatic group, an aromatic group or a hydroxyl group; W represents a divalent linking group containing carbon atoms; and M.sub.1, M.sub.2, M.sub.3 and M.sub.4 each represents a hydrogen atom or a cation. The processing composition is useful for bleaching a silver halide color photographic material. A process for processing a silver halide color photographic material is further disclosed, employing the above described process composition containing a ferric (III) complex salt of the compound of formula (I) as a bleaching agent.

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