US4247620A
Expired / Lapsed
US
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Light-sensitive silver halide photographic material and method for processing the same
Assignee: Konica Minolta Inc
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Filing: 1979-06-18
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Granted: 1981-01-27
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Expires: 1999-06-18
Abstract
Abstract A light-sensitive silver halide photographic material which comprises a compound represented by general formula [I] shown below: General formula [I] ##STR1## wherein A represents a phosphorus atom, a nitrogen atom or an arsenic atom; R 1 , R 2 , R 3 and R 4 each represent a substituted or unsubstituted aryl group; X represents a persulfate ion, a chlorate ion, a bromate ion, an iodate ion or a metal complex anion; and n is an integer of 1 to 4, and a method for processing the same.
Inventors
- 👤 Toshio Nagatani
- 👤 Kazuo Takahashi
- 👤 Takeshi Habu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:14
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/54; C07F9/5442; Y; Y10; Y10S; Y10S430/00; Y10S430/15
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
145 words
A photographic material comprising a lightsensitive silver halide emulsion layer coated on a support which material comprises a compound represented by general formula: ##STR4## wherein A represents a phosphorus atom, a nitrogen atom or an arsenic atom; R 1 , R 2 , R 3 and R 4 each represent an aryl group or a substituted aryl group wherein the substituent is selected from the group consisting of a halogen atom, a nitro group, a hydroxyl group, an acyl group, an alkyl group, an amino group, a carboxyl group, a sulfonyl group, an aryl group, an alkoxy group, an alkoxy-carbonyl group and a cyano group; X represents a metal complex anion which is a complex of at least one metal selected from iron, cobalt, nickel, chromium, vanadium, manganese and copper, and an organic polybasic carboxylic acid; and n is an integer of 1 to 4.
Claim 2
Dependent Claim
145 words
A photographic material comprising a lightsensitive silver halide emulsion layer coated on a support which material comprises a compound represented by general formula: ##STR4## wherein A represents a phosphorus atom, a nitrogen atom or an arsenic atom; R 1 , R 2 , R 3 and R 4 each represent an aryl group or a substituted aryl group wherein the substituent is selected from the group consisting of a halogen atom, a nitro group, a hydroxyl group, an acyl group, an alkyl group, an amino group, a carboxyl group, a sulfonyl group, an aryl group, an alkoxy group, an alkoxy-carbonyl group and a cyano group; X represents a metal complex anion which is a complex of at least one metal selected from iron, cobalt, nickel, chromium, vanadium, manganese and copper, and an organic polybasic carboxylic acid; and n is an integer of 1 to 4.
Claim 3
Dependent Claim
29 words
A photographic material according to claim 1 wherein R 1 , R 2 , R 3 and R 4 each represent a substituted or unsubstituted phenyl or naphthyl group.
Claim 4
Dependent Claim
14 words
A photographic material according to claim 1 wherein the metal is iron or cobalt.
Claim 5
Dependent Claim
106 words
A photographic material according to claim 3 wherein the organic polybasic carboxylic acid is a compound represented by general formula: ##STR5## wherein B represents a substituted or unsubstituted alkylene, alkenylene, cycloalkylene, arylene or divalent heterocyclic group, and the alkylene group or the alkenylene group may be connected through an oxygen atom, a sulfur atom or a group >N--R' (in which R' represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms or a group --D 5 --COOH); and D 1 , D 2 , D 3 , D 4 and D 5 each represent an alkylene group having 1 to 4 carbon atoms.
Claim 6
Dependent Claim
18 words
A photographic material according to claim 1 or 3 wherein the organic polybasic carboxylic acid is ethylenediaminetetraacetic acid.
Claim 7
Dependent Claim
25 words
A photographic material according to claim 1 wherein the compound represented by the general formula [I] is incorporated in the light-sensitive silver halide emulsion layer.
Claim 8
Dependent Claim
35 words
A photographic material according to claim 1 or 3 wherein the compound represented by the general formula [I] is incorporated in an amount of 10 -5 to 10 mole per 1 mole of silver halide.
Claim 9
Dependent Claim
15 words
A photographic material according to claim 1 or 3 which also contains a protective layer.
Claim 10
Dependent Claim
22 words
A photographic material according to claim 8 wherein the thickness of the protective layer is in the range of 0.1 to 10μ.
Claim 11
Dependent Claim
73 words
A photographic material according to any one of claims 1, 4 or 5 wherein the light-sensitive silver halide emulsion layer contains silver chlorobromide or chloroiodobromide containing 0 to 1 mole % of silver iodide and not less than 50 mole % of silver chloride and having an average grain size of 0.05 to 0.7μ, at least 75% of the total grains having grain sizes of 0.6 to 1.4 times the average grain size.
Claim 12
Dependent Claim
48 words
A photographic material according to claim 10 wherein the compound represented by the general formula [I] is incorporated in an amount of 10 -5 to 10 mole per 1 mole of silver halide; and wherein said photographic material also contains a protective layer between 0.1 and 10μ thick.
Claim 13
Dependent Claim
16 words
A photographic material according to claim 11 wherein said organic polybasic carboxylic acid is ethylenediaminetetraacetic acid.
Claim 14
Independent Claim
180 words
A method for processing a photographic material which comprises imagewise exposing a light-sensitive silver halide photographic material and then processing said photographic material in a developer which contains a preservative, said light-sensitive silver halide photographic material comprising a light-sensitive silver halide emulsion layer coated on a support which material comprises a compound represented by the general formula [I]: ##STR6## wherein A represents a phosphorus atom, a nitrogen atom or an arsenic atom; R 1 , R 2 , R 3 and R 4 each represent an aryl group or a substituted aryl group wherein the substituent is selected from the group consisting of a halogen atom, a nitro group, a hydroxyl group, an acyl group, an alkyl group, an amino group, a carboxyl group, a sulfonyl group, an aryl group, an alkoxy group, an alkoxy-carbonyl group and a cyano group; X represents a metal complex anion which is a complex of at least one metal selected from iron, cobalt, nickel, chromium, vanadium, manganese and copper, and an organic polybasic carboxylic acid; and n is an integer of 1 to 4.
Claim 15
Independent Claim
180 words
A method for processing a photographic material which comprises imagewise exposing a light-sensitive silver halide photographic material and then processing said photographic material in a developer which contains a preservative, said light-sensitive silver halide photographic material comprising a light-sensitive silver halide emulsion layer coated on a support which material comprises a compound represented by the general formula [I]: ##STR6## wherein A represents a phosphorus atom, a nitrogen atom or an arsenic atom; R 1 , R 2 , R 3 and R 4 each represent an aryl group or a substituted aryl group wherein the substituent is selected from the group consisting of a halogen atom, a nitro group, a hydroxyl group, an acyl group, an alkyl group, an amino group, a carboxyl group, a sulfonyl group, an aryl group, an alkoxy group, an alkoxy-carbonyl group and a cyano group; X represents a metal complex anion which is a complex of at least one metal selected from iron, cobalt, nickel, chromium, vanadium, manganese and copper, and an organic polybasic carboxylic acid; and n is an integer of 1 to 4.
Claim 16
Dependent Claim
14 words
A method for processing according to claim 13 wherein the preservative is a sulfite.
Claim 17
Dependent Claim
21 words
A method for processing according to claim 13 wherein the sulfite is contained in an amount of 5 to 300 g./l.
Claim 18
Dependent Claim
18 words
A method for processing according to claim 13 wherein the photographic material is processed with a hydroquinone developer.
Claim 19
Dependent Claim
18 words
A method for processing according to claim 13 wherein the photographic material is processed with a Phenidone-hydroquinone developer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-01-27 | 1984-07-28 | 1985-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-27 | 1988-07-28 | 1989-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-27 | 1992-07-28 | 1993-01-27 | $7700.00 | Window Closed / Lapsed |