Patent US4486528A successfully refreshed from Google Patents.
US4486528A
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Color diffusion transfer photographic element with redox dye releasers
Assignee: Fujifilm Holdings Corp
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Filing: 1983-02-28
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Granted: 1984-12-04
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Expires: 2003-02-28
Abstract
Abstract A color diffusion transfer photographic element which comprises (a) a light-sensitive element containing at least one light-sensitive silver halide emulsion layer associated with a dye releasing redox compound, (b) a dye image receiving element and (c) an alkaline processing composition element, wherein the improvement comprises said alkaline processing composition element containing (1) a developing agent having one-electron oxidation reduction potential in the range of from -80 mV to -200 mV with respect to a saturated calomel electrode at a pH of 11.0 and (2) at least one compound selected from the group consisting of compounds represented by following general formula (I) or (II) ##STR1## wherein A and B each represents a non-metallic atomic group necessary to form a 5-, 6- or 7-membered ring; R 1 , R 3 and R 4 each represents an alkyl group, a substituted alkyl group, an alkenyl group, an aryl group or a substituted aryl group, R 1 may further represent ##STR2## and R 4 may further represent ##STR3## wherein Y represents a divalent group; R 2 represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an alkoxy group, and aryloxy group, an alkylthio group or an arylthio group, with the proviso that R 2 is not a methyl group when the compound represented by general formula (I) is a pyridinium salt; and X.sup.⊖ represents an anion, with the proviso that X.sup.⊖ is not present when an inner salt is formed, wherein R 3 may further connect with the ring formed with B to form a biscyclo ring system.
Inventors
- 👤 Masakazu Morigaki
- 👤 Motohiko Tsubota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:12
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/32; G03C8/36
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
309 words
In a color diffusion transfer photographic element which comprises (a) a light sensitive element containing at least one light sensitive silver halide emulsion layer associated with a dye releasing redox compound, (b) a dye image receiving element and (c) an alkaline processing composition element, the improvement which comprises said alkaline processing composition element containing (1) a developing agent having one-electron oxidation reduction potential in the range of from -80 mV to -200 mV with respect to a saturated calomel electrode at a pH of 11.0, wherein said developing agent is a 1-phenyl 3-pyrazolidinone or an aminophenol and (2) at least one compound selected from the group consisting of compounds represented by the following general formulae (I) or (II) ##STR26## wherein A and B each represents a non-metallic atomic group necessary to form a 5-, 6- or 7-membered ring; R 1 , R 3 and R 4 each represents an alkyl group, a substituted alkyl group, an alkenyl group, an aryl group or a substituted aryl group, wherein R 1 may further represent ##STR27## and R 4 may further represent ##STR28## wherein Y represents a divalent group; R 2 represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an alkoxy group, an aryloxy group, an alkylthio group or an arylthio group, with the proviso that R 2 is not a methyl group when the compound represented by general formula (I) is a pyridinium salt; and X.sup.⊖ represents an anion, with the proviso that X.sup.⊖ is not present when an inner salt is formed, wherein R 3 further may connect with the ring formed with B to for a biscyclo ring system, and wherein the compounds represented by formula (I) or (II) are used in an amount of from 1×10 -6 g to 1 g per kg of an alkaline processing composition.
Claim 2
Dependent Claim
309 words
In a color diffusion transfer photographic element which comprises (a) a light sensitive element containing at least one light sensitive silver halide emulsion layer associated with a dye releasing redox compound, (b) a dye image receiving element and (c) an alkaline processing composition element, the improvement which comprises said alkaline processing composition element containing (1) a developing agent having one-electron oxidation reduction potential in the range of from -80 mV to -200 mV with respect to a saturated calomel electrode at a pH of 11.0, wherein said developing agent is a 1-phenyl 3-pyrazolidinone or an aminophenol and (2) at least one compound selected from the group consisting of compounds represented by the following general formulae (I) or (II) ##STR26## wherein A and B each represents a non-metallic atomic group necessary to form a 5-, 6- or 7-membered ring; R 1 , R 3 and R 4 each represents an alkyl group, a substituted alkyl group, an alkenyl group, an aryl group or a substituted aryl group, wherein R 1 may further represent ##STR27## and R 4 may further represent ##STR28## wherein Y represents a divalent group; R 2 represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an alkoxy group, an aryloxy group, an alkylthio group or an arylthio group, with the proviso that R 2 is not a methyl group when the compound represented by general formula (I) is a pyridinium salt; and X.sup.⊖ represents an anion, with the proviso that X.sup.⊖ is not present when an inner salt is formed, wherein R 3 further may connect with the ring formed with B to for a biscyclo ring system, and wherein the compounds represented by formula (I) or (II) are used in an amount of from 1×10 -6 g to 1 g per kg of an alkaline processing composition.
Claim 3
Dependent Claim
43 words
The color diffusion transfer photographic element as claimed in claim 1, wherein the non-metallic atomic group is a group of 3 to 6 atoms selected from one or more of a carbon atom, an oxygen atom, a sulfur atom and a nitrogen atom.
Claim 4
Dependent Claim
15 words
The color diffusion transfer photographic element as claimed in claim 1, wherein A represents ##STR29##
Claim 5
Dependent Claim
25 words
The color diffusion transfer photographic element as claimed in claim 1, wherein B represents a tetramethylene group, a pentamethylene group, a pentenylene group or ##STR30##
Claim 6
Dependent Claim
81 words
The color diffusion transfer photographic element as claimed in claim 1, wherein the substituted alkyl group for R 1 , R 3 or R 4 is an alkyl group substituted with one or more substituents selected from a halogen atom, an aryl group, a substituted aryl group, a hydroxy group, a sulfonamino group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyl group, an acylamino group, a carboxy group, a nitro group and a cyano group.
Claim 7
Dependent Claim
74 words
The color diffusion transfer photographic element as claimed in claim 1, wherein the substituted aryl group for R 1 , R 3 or R 4 is an aryl group substituted with one or more substituents selected from a halogen atom, an alkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyl group, an acylamino group, a carboxyl group, a cyano group, a hydroxy group and a nitro group.
Claim 8
Dependent Claim
29 words
The color diffusion transfer photographic element as claimed in claim 1, wherein the divalent group for Y is an alkylene group, an arylene group, an alkenylene group or ##STR31##
Claim 9
Dependent Claim
69 words
The color diffusion transfer photographic element as claimed in claim 1, wherein the substituted alkyl group for R 2 is an alkyl group substituted with one or more substituents selected from a halogen atom, an aryl group, a substituted aryl group, a hydroxy group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyl group, a nitro group, a cyano group and a carboxy group.
Claim 10
Dependent Claim
47 words
The color diffusion transfer photographic element as claimed in claim 1, wherein the substituted aryl group for R 2 is an aryl group substituted with one or more substituents selected from a halogen atom, an alkyl group, an alkoxy group, a cyano group and a nitro group.
Claim 11
Dependent Claim
28 words
The color diffusion transfer photographic element as claimed in claim 1, wherein R 2 is a hydrogen atom or an alkyl group having 1 to 20 carbon atoms.
Claim 12
Dependent Claim
28 words
The color diffusion transfer photographic element as claimed in claim 1, wherein the nitrogen containing heterocyclic ring formed with A or B is fused with an aryl ring.
Claim 13
Dependent Claim
76 words
The color diffusion transfer photographic element as claimed in claim 1, wherein the nitrogen containing heterocyclic ring formed with A or B is substituted with one or more substituents selected from an alkyl group, a substituted alkyl group, an alkenyl group, an aryl group, a substituted aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, a carbamoyl group, a sulfamoyl group, a carboxy group, a hydroxy group and a halogen atom.
Claim 14
Dependent Claim
37 words
The color diffusion transfer photographic element as claimed in claim 12, wherein said substituent is an alkyl group having 1 to 20 carbon atoms, an aryl group, a carbamoyl group, a carboxy group or a hydroxy group.
Claim 15
Dependent Claim
24 words
The color diffusion transfer photographic element as claimed in claim 1, wherein said compound (2) is a pyridinium salt represented by general formula (I).
Claim 16
Dependent Claim
91 words
The color diffusion transfer photographic element as claimed in claim 1, wherein said developing agent (1) is a 1-phenyl-3-pyrazolidinone of the general formula (III): ##STR32## wherein R 5 represents an aryl group or a substituted aryl group, R 6 , R 7 , R 8 and R 9 , which may be the same or different, each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an alkoxy group, an aryloxy group, a benzyloxy group, an alkoxycarbonyl group or a carboxy group.
Claim 17
Dependent Claim
47 words
The color diffusion transfer photographic element as claimed in claim 15, wherein the substituted aryl group for R 5 is an aryl group substituted with one or more substituents selected from an alkyl group, an alkoxy group, a halogen atom, a hydroxy group and a nitro group.
Claim 18
Dependent Claim
80 words
The color diffusion transfer photographic element as claimed in claim 15, wherein the substituted alkyl group for R 6 , R 7 , R 8 or R 9 is an alkyl group substituted with one or more substituents selected from a hydroxy group, an acyloxy group, a tetrahydropyran-2-yloxy group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkylamino group, a nitro group, a cyano group, an amino group and a halogen atom.
Claim 19
Dependent Claim
56 words
The color diffusion transfer photographic element as claimed in claim 15, wherein the substituted aryl group for R 6 , R 7 , R 8 or R 9 is an aryl group substituted with one or more substituents selected from a halogen atom, an alkyl group, an alkoxy group, a hydroxy group and a nitro group.
Claim 20
Dependent Claim
159 words
The color diffusion transfer photographic element as claimed in claim 1, wherein said developing agent (1) is an aminophenol of the general formula (IV): ##STR33## wherein R 10 , R 11 , R 12 and R 13 , which may be the same or different, each represents a hydrogen atom, a halogen atom, an alkyl group, a substituted or unsubstituted aryl group, an alkoxy group or a substituted or unsubstituted phenoxy group; and R 14 and R 15 which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, an acyl group, an alkoxycarbonyl group, an alkylsulfonyl group or an arylsulfonyl group; R 14 and R 12 may form a 6-membered ring by ring closure; R 14 and R 15 may combine and form a 5- or 6-membered nitrogen containing heterocyclic ring; and R 10 and R 12 may combine and form a 6-membered hydrocarbon ring.
Claim 21
Dependent Claim
56 words
The color diffusion transfer photographic element as claimed in claim 19, wherein the substituted aryl group for R 10 , R 11 , R 12 or R 13 is an aryl group substituted with one or more substituents selected from an alkyl group, an alkoxy group, a halogen atom, a hydroxy group and a nitro group.
Claim 22
Dependent Claim
50 words
The color diffusion transfer photographic element as claimed in claim 19, wherein the substituted phenoxy group for R 10 , R 11 , R 12 or R 13 is a phenoxy group substituted with one or more substituents selected from a halogen atom, an alkyl group or an alkoxy group.
Claim 23
Dependent Claim
92 words
The color diffusion transfer photographic element as claimed in claim 19, wherein the substituted alkyl group for R 14 or R 15 is an alkyl group substituted with one or more substituents selected from a halogen atom, an aryl group, a hydroxy group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an amino group, an acylamino group, an alkylamino group, a sulfonamido group, a cyano group, a nitro group, a sulfo group, a tetrahydropyran-2-yloxy group, an acyloxy group, an acyl group and a 5- or 6-membered heterocyclic group.
Claim 24
Dependent Claim
50 words
The color diffusion transfer photographic element as claimed in claim 19, wherein the substituted aryl group for R 14 or R 15 is an aryl group substituted with one or more substituents selected from an alkyl group, an alkoxy group, a halogen atom, a hydroxy group and a nitro group.
Claim 25
Dependent Claim
72 words
The color diffusion transfer photographic element as claimed in claim 1, wherein said dye releasing redox compound is represented by the general formula (V): Y-D (V) wherein Y represents a group which releases a diffusible dye D or a precursor thereof on splitting of the dye releasing redox compound as a result of the cross-oxidation reaction and D represents a dye or contains a bonding group for linking the dye to Y.
Claim 26
Dependent Claim
60 words
The color diffusion transfer photographic element as claimed in claim 1, wherein said light-sensitive element (a) comprises a combination of a blue-sensitive silver halide emulsion and a yellow dye releasing redox compound, a combination of a green-sensitive silver halide emulsion and a magenta dye releasing redox compound and a red-sensitive silver halide emulsion and a cyan dye releasing redox compound.
Claim 27
Dependent Claim
23 words
The color diffusion transfer photographic element as claimed in claim 25, wherein said silver halide emulsions are internal latent image silver halide emulsions.
Claim 28
Dependent Claim
22 words
The color diffusion transfer photographic element as claimed in claim 1, wherein said dye image receiving element (b) comprises a mordant layer.
Claim 29
Dependent Claim
31 words
The color diffusion transfer photographic element as claimed in claim 1, wherein said alkaline processing composition further contains an alkali substance so that the pH thereof is about 11 or more.
Claim 30
Dependent Claim
18 words
The color diffusion transfer photographic element as claimed in claim 1, wherein said aminophenol is a tertiary aminophenol.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-12-04 | 1988-06-04 | 1988-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-04 | 1992-06-04 | 1992-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-04 | 1996-06-04 | 1996-12-04 | $7700.00 | Window Closed / Lapsed |