Patent US4818671A successfully refreshed from Google Patents.
US4818671A
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Rapidly processable silver halide color photosensitive material
Assignee: Konica Minolta Inc
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Filing: 1987-07-29
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Granted: 1989-04-04
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Expires: 2007-07-29
Abstract
Abstract A silver halide color photographic material improved in sensitivity, gradiation and maximum density when the material is treated with a rapid processing. The silver halide color photographic material comprises a support and photograhic component layers including at least one silver halide emulsion layer comprising (a) silver halide grains comprising not less than 80 mol % of silver chloride, (b) a gold compound in an amount of from 5×10 -7 to 5×10 -3 mol per mol of silver halide contained in said silver halide emulsion layer, (c) a sulfur sensitizer and (d) a spectral sensitizing dye represented by the following general formula [I]: ##STR1## wherein X 1 , X 2 , X 3 and X 4 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or a hydroxy group, respectively; R 1 and R 2 are an alkyl group, respective;y X.sup.⊖ is a counter anion and n is 0 or 1.
Inventors
- 👤 Keiji Ohbayashi
- 👤 Mitsuhiro Okumura
- 👤 Takaaki Kojima
- 👤 Shigeo Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:23
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/14; G03C1/16; G03C1/09; G03C7/00; G03C7/30; G03C7/392
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
156 words
A silver halide color photographic light-sensitive material comprising a support having thereon photographic component layers including at least one silver halide emulsion layer comprising (a) silver halide grains comprising not less than 80 mol% of silver chloride, (b) a gold compound in an amount of from 5×10 -7 to 5×10 -3 mol per mol of silver halide contained in said silver halide emulsion layer, (c) a sulfur sensitizer and (d) a spectral sensitizing dye represinted by the following general formul [I] in an amount of from 5=10 -6 to 3×10 -3 mol per mol of silver halide containing said silver halide emulsion layer: ##STR54## wherein X 1 , X 2 , X 3 and X 4 hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or a hydroxy group, respectively; R 1 and R 2 are an alkyl group, respectively; X.sup.⊖ is a counter anion and n is 0 or 1.
Claim 2
Dependent Claim
156 words
A silver halide color photographic light-sensitive material comprising a support having thereon photographic component layers including at least one silver halide emulsion layer comprising (a) silver halide grains comprising not less than 80 mol% of silver chloride, (b) a gold compound in an amount of from 5×10 -7 to 5×10 -3 mol per mol of silver halide contained in said silver halide emulsion layer, (c) a sulfur sensitizer and (d) a spectral sensitizing dye represinted by the following general formul [I] in an amount of from 5=10 -6 to 3×10 -3 mol per mol of silver halide containing said silver halide emulsion layer: ##STR54## wherein X 1 , X 2 , X 3 and X 4 hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or a hydroxy group, respectively; R 1 and R 2 are an alkyl group, respectively; X.sup.⊖ is a counter anion and n is 0 or 1.
Claim 3
Dependent Claim
24 words
The silver halide color photographic light-sensitive material of claim 1, wherein at least one of said photographic component layers contains a black-and-white developing agent.
Claim 4
Dependent Claim
116 words
The silver halide color photographic light-sensitive material of claim 2, wherein said silver halide emulsion layer contains an yellow coupler represented by the following general formula: ##STR55## wherein R 21 is a halogen atom or an alkoxy group; R 22 is a --NHCOR 23 SO 2 R 24 group, a --COOR 24 group, a --COOR 23 COOR 24 group, an ##STR56## group or an ##STR57## group in which R 23 is an alkylene group, R 24 is a ballast group and R 25 is an alkyl group, an aralkyl group or a hydrogen atom; and Z 21 is a group capable of being splitted off upon reaction with the oxidized product of a color developing agent.
Claim 5
Dependent Claim
36 words
The silver halide color photographic light-sensitive material of claim 2, wherein the whole of silver halide emulsion layers included said photographic component layers contain silver halide grains comprising not less than 80 mol% of silver chloride.
Claim 6
Dependent Claim
38 words
The silver halide color photograhic light-sensitive material of claim 2, wherein average silver chloride content of silver halide grains contained in each silver halide emulsion layer included said photographic component layers is not less than 95 mol%, respectively.
Claim 7
Dependent Claim
40 words
The silver halide color photographic light-sensitive material of claim 2, wherein R 1 and R 2 of the general formula [I] are an unsubstituted alkyl group or an alkyl group substituted with a carboxy group or a sulfo group, respectively.
Claim 8
Dependent Claim
35 words
The silver halide color photographic light-sensitive material of claim 2, wherein R 1 and R 2 of the general formula [I] are an alkyl group substituted with a carboxy group or a sulfo group, respectively.
Claim 9
Dependent Claim
38 words
The silver halide color photographic light-sensitive material of claim 2, wherein at least one of the groups represented by R 1 and R 2 of the general formula [I] is an alkyl group substituted with a carboxy group.
Claim 10
Dependent Claim
117 words
The silver halide color photographic light-sensitive material of claim 1, wherein said silver halide emulsion layer contains an yellow coupler represented by the following general formula [Y]: ##STR58## wherein R 21 is a halogen atom or an alkoxy group; R 22 is a --NHCOR 23 SO 2 R 24 group, a --COOR 24 group, a --COOR 23 COOR 24 group, an ##STR59## group or an ##STR60## group in which R 23 is an alkylene group, R 24 is a ballast group and R 25 is an alkyl group, an aralkyl group or a hydrogen atom; and Z 21 is a group capable of being splitted off upon reaction with the oxydized product of a color developing agent.
Claim 11
Dependent Claim
36 words
The silver halide color photographic light-sensitive material of claim 1, wherein the whole of silver halide emulsion layers included said photographic component layers contain silver halide grains comprising not less than 80 mol% of silver chloride.
Claim 12
Dependent Claim
38 words
The silver halide color photographic light-sensitive material of claim 1, wherein average silver chloride content of silver halide grains contained in each silver halide emulsion layer included said photographic component layers is not less than 95 mol%, respectively.
Claim 13
Dependent Claim
19 words
The silver halide color photographic light-sensitive material of claim 2, wherein said black-and white developing agent is a dihydroxybenzene.
Claim 14
Dependent Claim
40 words
The silver halide color photographic light-sensitive material of claim 1, wherein R 1 and R 2 of the general formula [I] are an unsubstituted alkyl group or an alkyl group substituted with a carboxy group or a sulfo group, respectively.
Claim 15
Dependent Claim
35 words
The silver halide color photographic light-sensitive material of claim 1, wherein R 1 and R 2 of the general formula [I] are an alkyl group substituted with a carboxy group or a sulfo group, respectively.
Claim 16
Dependent Claim
38 words
The silver halide color photographic light-sensitive material of claim 1, wherein at least one of the groups represented by R 1 and R 2 of the general formula [I] is an alkyl group substituted with a carboxy group.
Claim 17
Dependent Claim
115 words
A silver halide color photographic light-sensitive material comprising a support having thereon photographic component layers including at least one silver halide emulsion layer comprising, (a) silver halide grains comprising from 99.0 to 99.9 mol% of silver chloride and being sensitized with gold compound, (b) a spectral sensitizing dye represented by the following general formula [I]: ##STR61## wherein X 1 , X 2 , X 3 and X 4 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or a hydroxy group, respectively; R 1 and R 2 are an alkyl group, respectively; X.sup.⊖ is a counter anion and n is 0 or 1 and (c) a sulfur sensitizer.
Claim 18
Dependent Claim
115 words
A silver halide color photographic light-sensitive material comprising a support having thereon photographic component layers including at least one silver halide emulsion layer comprising, (a) silver halide grains comprising from 99.0 to 99.9 mol% of silver chloride and being sensitized with gold compound, (b) a spectral sensitizing dye represented by the following general formula [I]: ##STR61## wherein X 1 , X 2 , X 3 and X 4 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or a hydroxy group, respectively; R 1 and R 2 are an alkyl group, respectively; X.sup.⊖ is a counter anion and n is 0 or 1 and (c) a sulfur sensitizer.
Claim 19
Dependent Claim
37 words
The silver halide color photographic light-sensitive material of claim 16, wherein said silver halide grains are sensitized with a gold compound in an amount of from 5×10 -7 to 5×10 -4 mol per mol of silver halide.
Claim 20
Dependent Claim
44 words
The silver halide color photographic light-sensitive material of claim 16, wherein said groups represented by R 1 and R 2 of the general formula [I] are an unsubstituted alkyl group or an alkyl group substituted with a carboxy group or a sulfo group, respectively.
Claim 21
Dependent Claim
42 words
The silver halide color photographic light-sensitive material of claim 16, wherein at least one of said groups represented by R 1 and R 2 of the general formula [I] is an alkyl group substituted with a carboxy group or a sulfo group.
Claim 22
Dependent Claim
36 words
The silver halide color photographic light-sensitive material of claim 16, wherein at least one of said groups R 1 and R 2 of the general formula [I] is an alkyl group substituted with a carboxy group.
Claim 23
Dependent Claim
43 words
The silver halide color photographic light-sensitive material of claim 16, wherein said silver halide grains are sensitized by said gold compound in an amount of from 5×10 -6 to 3×10 -3 mol per mol of silver halide containing said silver halide emulsion layer.
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) | 1992-04-03 | 1992-10-03 | 1993-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-03 | 1996-10-03 | 1997-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-03 | 2000-10-03 | 2001-04-04 | $7700.00 | Window Closed / Lapsed |