Silver halide photographic material with redox releaser

Details Silver halide photographic material with redox releaser Silver halide photographic material with redox releaser

1991-11-12

1992-07-21

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430223, 430502, 430505, 430559, 430564, 430566, 430594, 430598, 430955, 430957, 430959, G03C 554, G03C 134, G03C 106, G03C 142

Patent

active

051322013

ABSTRACT:
A silver halide photographic material composed of a support having thereon at least one light-sensitive silver halide emulsion layer, at least one layer of the material containing a compound represented by formula (I): ##STR1## wherein X represents hydrogen or a group capable of providing hydrogen upon hydrolysis; Time represents a divalent linking group; t is 0 or 1; PUG represents a photographically useful group; V represents a carbonyl group, a sulfonyl group, a sulfoxy group, an iminomethylene group, ##STR2## wherein W represents an electrophilic group, or V represents ##STR3## wherein R.sub.0 represents an alkoxy group or an aryloxy group; and R represents hydrogen, an aliphatic group, an aromatic group or ##STR4## wherein PUG, Time, t, and W are as defined above. The redox compound is capable of releasing a photographically useful reagent using any conventional developing agent, has excellent storage stability, and provides rapid release of the photographically useful reagent.

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