Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1989-05-09

1990-11-20

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430598, 430599, 430603, 430607, G03C 110

Patent

active

049718908

ABSTRACT:
A silver halide photographic material is disclosed, comprising a support having thereon at least one of silver halide photographic emulsion layers and other hydrophilic colloidal layers, wherein said photographic emulsion layers or other hydrophilic colloidal layers contain a hydrazine compound represented by formula (I): ##STR1## wherein at least one of A.sub.1 and A.sub.2 represents a hydrogen atom and the other represents a hydrogen atom, a sulfonyl group or an acyl group; R.sub.1 represents an aliphatic, group, an aromatic group, or a heterocyclic group; Y.sub.1 represents a divalent organic group; G.sub.1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, ##STR2## wherein R.sub.2 represents an alkoxy group or an aryloxy group, ##STR3## or an iminomethylene group; Z.sub.1 represents a group suitable for making a nucleophilic attack on G.sub.1 to separate the G.sub.1 --L.sub.1 --Z.sub.1 from the rest of the molecule; and L.sub.1 represents a divalent organic group suitable for producing a cyclic structure with G.sub.1 and Z.sub.1 upon nucleophilic attack by Z.sub.1 on G.sub.1.

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