EP0096873A2
Expired / Lapsed
EP
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Silver halide color photographic light-sensitive materials
Assignee: Fujifilm Holdings Corp
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Filing: 1983-06-10
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Granted: —
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Expires: 2003-06-10
Abstract
Abstract A silver halide color photographic light-sensitive material is described, containing: (1) a nondiffusing coupler forming a dye on reacting with an oxidation product of a color developing agent, said dye having diffusibility of the extent that it exhibits controlled smearing; and (2) a DIR compound releasing a diffusing development inhibitor or its precursor through a coupling reaction. This light-sensitive material is improved in both granularity and sharpness, and has high sensitivity.
Inventors
- 👤 Noboru Sasaki
- 👤 Kei Sakanoue
- 👤 Seiji Ichijima
- 👤 Hidetoshi Kobayashi
- 👤 Keiichi Adachi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 15:00
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/32; G03C7/3225
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
69 words
A silver halide color photographic light-sensitive material, comprising: a support base having thereon: a silver halide emulsion layer; a non-diffusing coupler capable of forming a dye upon reacting with an oxidation product of a color developing agent, said dye having diffusibility to the extent that it exhibits controlled smearing; and a DIR compound capable of releasing a diffusing development inhibitor or diffusing development inhibitor precursor through a coupling reaction.
Claim 2
Dependent Claim
69 words
A silver halide color photographic light-sensitive material, comprising: a support base having thereon: a silver halide emulsion layer; a non-diffusing coupler capable of forming a dye upon reacting with an oxidation product of a color developing agent, said dye having diffusibility to the extent that it exhibits controlled smearing; and a DIR compound capable of releasing a diffusing development inhibitor or diffusing development inhibitor precursor through a coupling reaction.
Claim 3
Dependent Claim
29 words
A silver halide color photographic light-sensitive material as claimed in Claim 1, wherein the DIR compound is present in an amount of 0.0001 to 0.05 mole/mole of silver halide.
Claim 4
Dependent Claim
29 words
A silver halide color photographic light-sensitive material as claimed in Claim 2, wherein the DIR compound is present in an amount of 0.0003 to 0.01 mole/mole of silver halide.
Claim 5
Dependent Claim
32 words
A silver halide color photographic light-sensitive material as claimed in Claim 1, wherein the non-diffusing coupler is present in an amount within the range of 0.005 to 0.2 mole/mole of silver halide.
Claim 6
Dependent Claim
32 words
A silver halide color photographic light-sensitive material as claimed in Claim 4, wherein the non-diffusing coupler is present in an amount within the range of 0.01 to 0.05 mole/mole of silver halide.
Claim 7
Dependent Claim
51 words
A silver halide color photographic light-sensitive material as claimed in Claim 1, wherein the non-diffusing coupler is present in an amount within the range of 0.01 to 0.5 mole/mole of silver and the DIR compound is present in an amount within the range of 0.0003 to 0.01 mole/mole of silver halide.
Claim 8
Dependent Claim
31 words
A silver halide color photographic light-sensitive material as claimed in Claim 6, wherein the ratio of the DIR compound to the non-diffusing coupler is within the range of 0.001:1 to 0.3:1.
Claim 9
Dependent Claim
31 words
A silver halide color photographic light-sensitive material as claimed in Claim 7, wherein the ratio of the DIR compound to the non-diffusing coupler is within the range of 0.005:1 to 0.1:1.
Claim 10
Dependent Claim
118 words
A silver halide color photographic light-sensitive material as claimed in Claim 6, wherein the non-diffusing coupler capable of forming a dye upon reacting with an oxidation product of a color developing agent, said dye having diffusibility to the extent that it exhibits controlled smearing is a coupler represented by the following general formula (1): wherein C p represents a diffusible coupler component which allows a dye image to exhibit controlled smearing and improve granularity, X represents a ballast group containing from 8 to 32 carbon atoms which is bound to the coupler component at the coupling position and is released through a reaction with an oxidation product of a color developing agent, and a is 1 or 2.
Claim 11
Dependent Claim
119 words
A silver halide color photographic light-sensitive material as claimed in Claim 9, wherein the diffusible coupler component Cpis a coupler represented by the following general formulae: wherein R1, R 2 , R 3 and R 4 independently represent hydrogen, a halogen atom, an alkyl group, an alkoxy group, an aryloxy group, an acylamino group, a sulfonamino group, a carbamoyl group, a sulfamoyl group, an alkylthio group, an alkylsulfonyl group, an alkoxycarbonyl group, a ureido group, a cyano group, a carboxyl group, a hydroxy group, and a sulfo group, wherein the total number of carbon atoms present in R 1 to R 4 is 10 or less and wherein X' is a ballast group containing 8 to 32 carbon atoms.
Claim 12
Dependent Claim
66 words
A silver halide color photographic light-sensitive material as claimed in Claim 6, wherein the DIR compound is represented by the general formula (XVII): wherein J is a coupler component, h is 1 or 2 and Y is a group bound to the coupler component at the coupling position and is capable of being released by a reaction with an oxidation product of a color developing agent.
Claim 13
Dependent Claim
74 words
A silver halide color photographic light-sensitive material as claimed in Claim 11, wherein Y is a group selected from the group consisting of those groups represented by the general formulae (X VIII ), (XIX (XX) or (XXI): wherein W is -S- or -N-R 18 -, and R16, R17, R 18 and R 19 are each a substituent selected so that the degree of diffusion is at least 0.4, and i is 1 to 4.
References Cited (Backward Citations)
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