Silver halide photographic materials
AssigneeFuji Photo Film Co., Ltd.
InventorsKazunobu Katoh, Morio Yagihara, Takahiro Goto
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Abstract
A silver halide photographic material is disclosed, which comprises (a) at least one light-sensitive silver halide emulsion layer containing a hydrazine derivative and (b) a hydrophilic colloid layer which is different from the light-sensitive silver halide emulsion layer and which contains a redox compound capable of releasing a development inhibitor as a result of oxidation.
Claims16
A silver halide photographic material which comprises (a) a support having thereon (b1) at least one light-sensitive silver halide emulsion layer containing a hydrazine derivative having an --N--N-- linkage and (b2) a hydrophilic colloid layer which is different from said light-sensitive silver halide emulsion layer and which contains a redox compound according to the following formula (I) which has a hydrazine group as the redox group and which is capable of releasing a development inhibitor:
- ##STR29## wherein both A.sub.1 and A.sub.2 represent hydrogen atoms, or one represents a hydrogen atom and the other represents a sulfinic acid residual group or ##STR30## (wherein R.sub.0 represents an alkyl group, an alkenyl group, an aryl group, an alkoxy group or an aryloxy group, and l represents 1 or 2);
- Time represents a divalent linking group;
- t represents 0 or 1;
- PUG represents a development inhibitor;
- V represents a carbonyl group, ##STR31## a sulfonyl group, a sulfoxy group, ##STR32## (wherein R.sub.1 represents an alkoxy group or an aryloxy group), an iminomethylene group or a thiocarbonyl group;
- and R represents an aliphatic group, an aromatic group or a heterocyclic group;
- wherein said at least one light-sensitive silver halide emulsion layer containing a hydrazine derivative is positioned between the support and the redox compound-containing hydrophilic colloid layer.
Dependencies are inferred from the claim text.