EP0070182A1
Expired / Lapsed
EP
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Light-sensitive color photographic material
Assignee: Konica Minolta Inc
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Filing: 1982-07-12
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Granted: —
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Expires: 2002-07-12
Abstract
Abstract There is disclosed a silver halide light-sensitive color photographic material which comprises a support and coated thereon a light-sensitive layer containing a compound which, upon reaction with an oxidized color developing agent, is capable of releasing a diffusible development inhibitor and a negative type light-sensitive silver halide emulsion containing light-sensitive silver halide crystals essentially consisting of mono-dispersed silver halide crystals of which size distribution satisfies the following relation: wherein and in which r 1 represents the crystal size of individual silver halide erystals and n i represents the number of crystals. The light-sensitive color photographic material of the present invention provides an image of remarkably improved sharpness.
Inventors
- 👤 Kiyoshi Yamashita
- 👤 Toshifumi Iijima
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 13:30
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3022; Y; Y10; Y10S; Y10S430/00; Y10S430/156; Y10S430/158
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
108 words
A silver halide light-sensitive color photographic material which comprises a support and coated thereon a light-sensitive layer containing a compound which, upon reaction with an oxidized color developing agent, is capable of releasing a diffusible development inhibitor and a negative type light-sensitive silver halide emulsion containing light-sensitive silver halide crystals essentially consisting of monodispersed silver halide crystals of which size distribution satisfies the following relation: wherein S = √Σ (r-r i ) 2 n i 2 =/Σn i and r = En i r i /En i in which r i represents the crystal size of individual silver halide crystals and n i represents the number of crystals.
Claim 2
Dependent Claim
108 words
A silver halide light-sensitive color photographic material which comprises a support and coated thereon a light-sensitive layer containing a compound which, upon reaction with an oxidized color developing agent, is capable of releasing a diffusible development inhibitor and a negative type light-sensitive silver halide emulsion containing light-sensitive silver halide crystals essentially consisting of monodispersed silver halide crystals of which size distribution satisfies the following relation: wherein S = √Σ (r-r i ) 2 n i 2 =/Σn i and r = En i r i /En i in which r i represents the crystal size of individual silver halide crystals and n i represents the number of crystals.
Claim 3
Dependent Claim
20 words
A silver halide light-sensitive color photographic material according to Claim 1, wherein said silver halide crystals being octahedrons and/or tetradecahedrons.
Claim 4
Dependent Claim
24 words
A silver halide light-sensitive color photographic material according to Claim 2, wherein the value expressed in terms of S/r is not greater than 0.10.
Claim 5
Dependent Claim
76 words
A silver halide light-sensitive color photographic material according to Claim 1, 2 or 3, wherein said compound which is capable of releasing a diffusible development inhibitor being a compound represented by the formula A-Z wherein A represents a residue capable of releasing Z upon reaction with an oxidized product of a color developing agent and Z represents a split-off residue which, upon reaction of the compound with the oxidized color developing agent, forms a development inhibitor.
Claim 6
Dependent Claim
59 words
A silver halide light-sensitive color photographic material according to Claim 1, 2 or 3, wherein said compound which is capable of a diffusible development inhibitor being a compound represented by the formula; wherein A and Z respectively represent the same residues as defined in Claim 4 and TIME represents a divalent group capable of retarding the release of Z.
Claim 7
Dependent Claim
64 words
A silver halide light-sensitive color photographic material according to Claim 5, wherein said compound being one represented by formula [1]; wherein A and Z respectively represent the same residues as defined in Claim 4, X 1 represents a phenylene or naphthylene group each of which may be substituted, and R 1 and R 2 independently represent a hydrogen atom, an alkyl or aryl group.
Claim 8
Dependent Claim
60 words
A silver halide light-sensitive color photographic material according to Claim 5, wherein said compound being one represented by formula [2]; wherein A, Z, R 1 and R 2 respectively represent the same atoms, groups or residues, as defined in Claim 6 and X 2 represents a group of atoms necessary to form a divalent pyrazole-di-yl group which may be substituted.
Claim 9
Dependent Claim
99 words
A silver halide light-sensitive color photographic material according to Claim 5, wherein said compound being one represented by formula [3]; wherein A and Z respectively represent the same residues as defined in Claim 4, Nu represents a nucleophilic group containing an oxygen, sulphur or nitrogen atom, Y represents a divalent group which is capable of causing under alkaline condition an intra-molecular nucleophilic substitution reaction by forming a three-membered or five-membered ring and thus is capable of releasing Z after the release of -Nu-Y-E-Z from A, and E represents an electrophilic group containing a carbonyl, thiocarbonyl, phosphinyl or thiophosphinyl group.
Claim 10
Dependent Claim
22 words
A silver halide light-sensitive color photographic material according to Claim 1, 2 or 3 wherein said silver halide crystal being silver iodobromide.
Claim 11
Dependent Claim
25 words
A silver halide light-sensitive color photographic material according to Claim 1, 2 or 3, wherein r is in the range of 0.3 to 1.5 microns.
Claim 12
Dependent Claim
137 words
A silver halide light-sensitive color photographic material which comprises a support and coated thereon (a) a blue-sensitive silver halide emulsion layer containing a yellow coupler, (b) a green-sensitive silver halide emulsion layer containing a magenta coupler and (c) a red-sensitive silver halide emulsion layer containing a cyan coupler, at least one of said blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers comprising mono- dispersed silver halide emulsion containing light-sensitive negative type silver halide crystals essentially consisting of monodispersed crystals satisfying following relation; wherein r . designates the crystal size of the individual crystals and n i designates the number of the crystals and at least one of said blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers containing a compound which, upon reaction thereof with an oxidized color developing agent, is capable of releasing a diffusible development inhibitor.
Claim 13
Dependent Claim
137 words
A silver halide light-sensitive color photographic material which comprises a support and coated thereon (a) a blue-sensitive silver halide emulsion layer containing a yellow coupler, (b) a green-sensitive silver halide emulsion layer containing a magenta coupler and (c) a red-sensitive silver halide emulsion layer containing a cyan coupler, at least one of said blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers comprising mono- dispersed silver halide emulsion containing light-sensitive negative type silver halide crystals essentially consisting of monodispersed crystals satisfying following relation; wherein r . designates the crystal size of the individual crystals and n i designates the number of the crystals and at least one of said blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers containing a compound which, upon reaction thereof with an oxidized color developing agent, is capable of releasing a diffusible development inhibitor.
Claim 14
Dependent Claim
35 words
A silver halide light-sensitive color photographic material according to Claim 11, wherein said blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers respectively comprising at least two layers having relatively high light-sensitivity and relatively low light-sensitivity.
Claim 15
Dependent Claim
20 words
A silver halide light-sensitive color photographic material according to Claim 11 or 12, wherein S/r is not greater than 0.10.
Claim 16
Dependent Claim
26 words
A silver halide light-sensitive color photographic material according to Claim 12, wherein said compound being incorporated in at least one of the relatively low light-sensitive layers.
Claim 17
Dependent Claim
25 words
A silver halide light-sensitive color photographic material according to Claim 11 or 12, wherein said compound being incorporated in the green-sensitive silver halide emulsion layer.
Claim 18
Dependent Claim
28 words
A silver halide light-sensitive color photographic material according to Claim 11, wherein said compound being incorporated into all of said blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers.
Claim 19
Dependent Claim
28 words
A silver halide light-sensitive color photographic material according to Claim 12, wherein said compound being incorporated into all of said blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers.
Claim 20
Dependent Claim
23 words
A silver halide light-sensitive color photographic material according to Claim 11, 12, 16 or 17, wherein said crystals being octahedrons and or tetradecahedrons.
References Cited (Backward Citations)
US3632345A
Cited
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