Photosensitive silver halide photographic material
AssigneeKonica Corporation
InventorsKazuhiro Murai, Shun Takada
Life of this patent
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Abstract
A photosensitive silver halide photographic material having a support and provided thereon, photographic component layers including at least one silver halide emulsion layer is disclosed. At least one silver halide emulsion layer comprises silver halide grains having silver chloride content of not less than 90 mol %; at least one of the photographic component layers comprises a specific dye excellent in decolorization and capable of improving sharpness; at least one silver halide emulsion layer comprises a mercapto compound for improving aging stability of silver halide emulsions; a photographic component layer is hardened with cyanuric chloride series hardeners for improving fog.
Claims30
A photosensitive silver halide photographic material having a support and provided thereon, photographic component layers, wherein at least one silver halide emulsion layer included in said photographic component layers comprises silver halide grains having silver chloride content of not less than 90 mol %;
- at least one of said photographic component layers comprises Compound [I] represented by Formula [I];
- at least one silver halide emulsion layer included in said photographic component layers comprises Compound [II] represented by Formula [II];
- and said photographic material comprises a photographic component layer hardened with at least one of Hardeners [III] and [IV] represented by Formula [III] and [IV ], respectively;
- Formula [I ] ##STR236## wherein R.sub.1 and R.sub.2 represent independently --CN--,--CFR.sub.5 R.sub.6, --COR.sub.7 and --CONHR.sub.8 ;
- R.sub.5 and R.sub.6 represent independently a hydrogen atom, a fluorine atom and a fluoroalkyl group having 1 to 4 carbon atoms;
- R.sub.7 represents one selected from the group consisting of an alkyl group and an aryl group;
- R.sub.8 represents one selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group and a fluoroalkyl group;
- R.sub.3 and R.sub.4 represent independently a hydrogen atom, an aliphatic group, an alicyclic group, an aromatic group and a hetrocyclic group;
- L.sub.1 to L.sub.5 represent a methine group;
- m and n represent independently 0 and 1;
- Formula [II] ##STR237## wherein Q represents a group of the atoms necessary to form a 5 or 6-membered hetrocyclic ring including one condensed with a benzene ring;
- M represents one selected iron the group consisting of a hydrogen atom and a cation;
- Formula [II] ##STR238## wherein R.sub.9 and R.sub.10 represent independently a chlorine atom, a hydroxyl group, an alkyl group, an alkoxy group, an alkylthio group, --OM', --NR.sub.11 R.sub.12 and --NHCOR.sub.13, provided that one of R.sub.9 and R.sub.10 represents a group other than a chlorine atom;
- M' represents a monovalent metallic atom;
- R.sub.11 and R.sub.12 represent independently a hydrogen atom, an alkyl group and an aryl group;
- R.sub.13 represents one selected from the group consisting of a hydrogen group, an alkyl group and an aryl group;
- Formula [IV] ##STR239## wherein R.sub.14 and R.sub.15 represent independently a chlorine atom, a hydroxy group, an alkyl group, an alkoxy group and --OM';
- Q' and Q'' represent independently --O--, --S-- and --NH--;
- M' represents a monovalent metallic atom;
- L represents one selected from the group consisting of an alkylene group and an arylene group;
- p and q represent independently 0 and 1.
Dependencies are inferred from the claim text.