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US4914016A Expired / Lapsed US ⏱️ 0.0 years remaining

Silver halide photographic light-sensitive material and processing method therefor

Assignee: Konica Minolta Inc
•
Filing: 1988-05-27
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Granted: 1990-04-03
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Expires: 2008-05-27
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Abstract

Abstract A silver halide photographic light-sensitive material containing inorganic sulfur or elemental sulfur, and a processing method comprising a step for developing such photographic material with a color developer which contains an aromatic primary amine compound for not more than 60 seconds. Photographic image improved in contrast of the without degradation in sensitivity and fogging can be obtained by the photographic material and the processing method.

Inventors

  • 👤 Masanobu Miyoshi
  • 👤 Makoto Kajiwara
  • 👤 Shigeo Tanaka
  • 👤 Mitsuhiro Okumura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 19:10
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/09; G03C7/00; G03C7/30; G03C7/392; G03C7/39204; G03C7/407; G03C7/413

Claims Analysis

Total Claims: 69
Claim 1
Independent Claim 70 words
A silver halide photographic light-sensitive material comprising: (a) a support; and (b) one or more photographic component layers on the support, the photographic component layers including at least one silver halide emulsion layer chemically sensitized with a gold compound and containing a nitrogen-containing heterocyclic compound having a solubility with silver ion of not more than 1×10 -10 ; wherein at least one of said photographic component layers contains elementary sulfur.
Claim 2
Dependent Claim 70 words
A silver halide photographic light-sensitive material comprising: (a) a support; and (b) one or more photographic component layers on the support, the photographic component layers including at least one silver halide emulsion layer chemically sensitized with a gold compound and containing a nitrogen-containing heterocyclic compound having a solubility with silver ion of not more than 1×10 -10 ; wherein at least one of said photographic component layers contains elementary sulfur.
Claim 3
Dependent Claim 16 words
The material of claim 1, wherein said elementary sulfur is in said silver halide emulsion layer.
Claim 4
Dependent Claim 23 words
The material of claim 1, wherein at least one of the photographic component layers is a non-light sensitive layer containing said elementary sulfur.
Claim 5
Dependent Claim 26 words
The material of claim 1, wherein said silver halide emulsion layer contains silver halide grains comprising of not less than 80 mol % of silver chloride.
Claim 6
Dependent Claim 20 words
The material of claim 4, wherein said silver halide grains contains not less than 90 mol % of silver chloride.
Claim 7
Dependent Claim 35 words
The material of claim 5, wherein said silver halide grains are essentially consisting of silver chloride and silver bromide in which silver bromide content is within the range of from 0 to 5 mol %.
Claim 8
Dependent Claim 35 words
The material of claim 2, wherein said elementary sulfur is added into said silver halide emulsion layer after completion of a chemical sensitizing of a silver halide emulsion contained in said silver halide emulsion layer.
Claim 9
Dependent Claim 34 words
The material of claim 7, wherein an amount of said elementary sulfur added into silver halide emulsion is within the range of from 1×10 -5 mg to 10 mg per mol of silver halide.
Claim 10
Dependent Claim 29 words
The material of claim 8, wherein an amount of said elementary sulfur is within the range of from 1×10 -3 mg to 5 mg per mol of silver halide.
Claim 11
Dependent Claim 36 words
The material of claim 2, wherein said elementary sulfur is added into said silver halide emulsion layer in the course of a chemical sensitization of a silver halide emulsion contained in said silver halide emulsion layer.
Claim 12
Dependent Claim 30 words
The material of claim 10, wherein an amount of said elementary sulfur added is within the range of from 1×10 -5 mg to 10 mg per mol of silver halide.
Claim 13
Dependent Claim 30 words
The material of claim 11, wherein an amount of said elementary sulfur added is within the range of from 1×10 -3 mg to 5 mg per mol of silver halide.
Claim 14
Dependent Claim 17 words
The material of claim 10, wherein said silver halide emulsion is chemically sensitized with a sulfur sensitizer.
Claim 15
Dependent Claim 30 words
The material of claim 3, wherein an amount of said sulfur sensitizer is within the range of from 10 -7 mol to 10 -1 mol per mol of silver halide.
Claim 16
Dependent Claim 30 words
The material of claim 10, wherein said elementary sulfur is additionally added into said silver halide emulsion at a stopping step of said chemical sensitization of said silver halide emulsion.
Claim 17
Dependent Claim 31 words
The material of claim 15, wherein an amount of said additionally added elementary sulfur is within the range of from 1×10 -5 mg to 10 mg per mol of silver halide.
Claim 18
Dependent Claim 31 words
The material of claim 16, wherein an amount of said additionally added elementary sulfur is within the range of from 1×10 -3 mg to 5 mg per mol of silver halide.
Claim 19
Dependent Claim 54 words
The material of claim 15, wherein the total amount of said elementary sulfur added in the course of said chemical sensitization of said silver halide emulsion and additionally added at said stopping step of the chemical sensitization is within the range of from 2×10 -5 mg to 15 mg per mol of silver halide.
Claim 20
Dependent Claim 30 words
The material of claim 18, wherein the total amount of said elementary sulfur is within the range of from 2×10 -3 mg to 10 mg per mol of silver halide.
Claim 21
Dependent Claim 16 words
The material of claim 10, wherein said silver halide emulsion layer further contains an iridium compound.
Claim 22
Dependent Claim 37 words
The material of claim 20, wherein an amount of said iridium compound contained in said silver halide emulsion layer is within the range of from 10 -8 mol to 10 -5 mol per mol of silver halide.
Claim 23
Dependent Claim 30 words
The material of claim 1, wherein an amount of said gold compound is within the range of from 5×10 -7 mol to 5×10 -3 mol per mol of silver halide.
Claim 24
Dependent Claim 30 words
The material of claim 22, wherein an amount of said gold compound is within the range of from 2×10 -6 mol to 1×10 -4 mol per mol of silver halide.
Claim 25
Dependent Claim 30 words
The material of claim 23, wherein an amount of said gold compound is within the range of from 2.6×10 -6 mol to 4×10 -5 mol per mol of silver halide.
Claim 26
Dependent Claim 30 words
The material of claim 24, wherein an amount of said gold compound is within the range of from 2.6×10 -6 mol to 9×10 -6 mol per mol of silver halide.
Claim 27
Dependent Claim 16 words
The material of claim 1, wherein said solubility product is not more than 1×10 -11 .
Claim 28
Dependent Claim 42 words
The material of claim 1, wherein said nitrogen-containing heterocyclic compound is represented by the following formula S; Z.sub.o --SM Formula S wherein Z o is a nitrogen containing heterocyclic group and M is a hydrogen atom, an alkali metal atom or ammonium.
Claim 29
Dependent Claim 37 words
The material of claim 1, wherein an amount of said nitrogen-containing heterocyclic compound contained in said silver halide emulsion layer is within the range of from 1×10 -6 mol to 1×10 -1 mol per mol silver halide.
Claim 30
Dependent Claim 31 words
The material of claim 28, wherein an amount of said nitrogen-containing heterocyclic compound is within the range of from 1×10 -5 mol to 1×10 -2 mol per mol of silver halide.
Claim 31
Dependent Claim 35 words
The material of claim 1, wherein an amount of inorganic sulfur added into said silver halide emulsion layer is within the range of from 10 -5 mg to 10 mg per mol of silver halide.
Claim 32
Independent Claim 72 words
A method for forming an image comprising a step of developing a silver halide photographic material comprising one or more photographic component layers including at least one silver halide emulsion layer containing silver halide grains comprising not less than 80 mol % of silver chloride, at least one of said photographic component layers containing elementary sulfur, with a color developer containing an aromatic primary amine compound for not more than 60 seconds.
Claim 33
Independent Claim 72 words
A method for forming an image comprising a step of developing a silver halide photographic material comprising one or more photographic component layers including at least one silver halide emulsion layer containing silver halide grains comprising not less than 80 mol % of silver chloride, at least one of said photographic component layers containing elementary sulfur, with a color developer containing an aromatic primary amine compound for not more than 60 seconds.
Claim 34
Dependent Claim 16 words
The method of claim 31, wherein said elementary sulfur is in said silver halide emulsion layer.
Claim 35
Dependent Claim 29 words
The method of claim 31, wherein an amount of said elementary sulfur is within the range of from 10 -5 mg to 10 mg per mol of silver halide.
Claim 36
Dependent Claim 29 words
The method of claim 33, wherein an amount of said elementary sulfur is within the range of from 10 -3 mg to 5 mg per mol of silver halide.
Claim 37
Dependent Claim 20 words
The method of claim 31, wherein said silver halide grains comprise not less than 90 mol % of silver chloride.
Claim 38
Dependent Claim 34 words
The method of claim 35, wherein said silver halide grains are essentially consisting of silver chloride and silver bromide and silver bromide content is within the range of from 0 to 5 mol %.
Claim 39
Dependent Claim 80 words
A silver halide photographic light-senstive material comprising: (a) a support; and (b) one or more photographic component layers on the support, the photographic component layers including at least one silver halide emulsion layer containing: (i) silver halide grains comprising not less than 80 mol % of silver chloride; and (ii) a nitrogen-containing heterocyclic compound having a solubility product with silver ion of not more than 1×10 -10 ; wherein at least one of said photographic component layers contains elementary sulfur.
Claim 40
Dependent Claim 80 words
A silver halide photographic light-senstive material comprising: (a) a support; and (b) one or more photographic component layers on the support, the photographic component layers including at least one silver halide emulsion layer containing: (i) silver halide grains comprising not less than 80 mol % of silver chloride; and (ii) a nitrogen-containing heterocyclic compound having a solubility product with silver ion of not more than 1×10 -10 ; wherein at least one of said photographic component layers contains elementary sulfur.
Claim 41
Dependent Claim 16 words
The material of claim 37, wherein said elementary sulfur is in said silver halide emulsion layer.
Claim 42
Dependent Claim 23 words
The material of claim 37, wherein at least one of the photographic component layers is a non-light sensitive layer containing said elementary sulfur.
Claim 43
Dependent Claim 20 words
The material of claim 37, wherein said silver halide grains contain not less than 90 mol % of silver chloride.
Claim 44
Dependent Claim 35 words
The material of claim 40, wherein said silver halide grains consist essentially of silver chloride and silver bromide in which the silver bromide content is within the range of from 0 to 5 mol %.
Claim 45
Dependent Claim 35 words
The material of claim 30, wherein said elementary sulfur is added into said silver halide emulsion layer after completion of a chemical sensitizing of a silver halide emulsion contained in said silver halide emulsion layer.
Claim 46
Dependent Claim 35 words
The material of claim 42, wherein an amount of said elementary sulfur added into said silver halide emulsion is within the range of from 1×10 -5 mg to 10 mg per mol of silver halide.
Claim 47
Dependent Claim 29 words
The material of claim 43, wherein an amount of said elementary sulfur is within the range of from 1×10 -3 mg to 5 mg per mol of silver halide.
Claim 48
Dependent Claim 36 words
The material of claim 38, wherein said elementary sulfur is added into said silver halide emulsion layer in the course of a chemical sensitization of a silver halide emulsion contained in said silver halide emulsion layer.
Claim 49
Dependent Claim 30 words
The material of claim 45, wherein an amount of said elementary sulfur added is within the range of from 1×10 -5 mg to 10 mg per mol of silver halide.
Claim 50
Dependent Claim 30 words
The material of claim 46, wherein an amount of said elementary sulfur added is within the range of from 1×10 -3 mg to 5 mg per mol of silver halide.
Claim 51
Dependent Claim 17 words
The material of claim 45, wherein said silver halide emulsion is chemically sensitized with a sulfur sensitizer.
Claim 52
Dependent Claim 30 words
The material of claim 48, wherein an amount of said sulfur sensitizer is within the range of from 10 -7 mol to 10 -1 mol per mol of silver halide.
Claim 53
Dependent Claim 30 words
The material of claim 45, wherein said elementary sulfur is additionally added into said silver halide emulsion at a stopping step of said chemical sensitization of said silver halide emulsion.
Claim 54
Dependent Claim 31 words
The material of claim 50, wherein an amount of said additionally added elementary sulfur is within the range of from 1×10 -5 mg to 10 mg per mol of silver halide.
Claim 55
Dependent Claim 31 words
The material of claim 51, wherein an amount of said additionally added elementary sulfur is within the range of from 1×10 -3 mg to 5 mg per mol of silver halide.
Claim 56
Dependent Claim 54 words
The material of claim 50, wherein the total amount of said elementary sulfur added in the course of said chemical sensitization of said silver halide emulsion and additionally added at said stopping step of the chemical sensitization is within the range of from 2×10 -5 mg to 15 mg per mol of silver halide.
Claim 57
Dependent Claim 30 words
The material of claim 53, wherein the total amount of said elementary sulfur is within the range of from 2×10 -3 mg to 10 mg per mol of silver halide.
Claim 58
Dependent Claim 16 words
The material of claim 45, wherein said silver halide emulsion layer further contains an iridium compound.
Claim 59
Dependent Claim 37 words
The material of claim 55, wherein an amount of said iridium compound contained in said silver halide emulsion layer is within the range of from 10 -8 mol to 10 -5 mol per mol of silver halide.
Claim 60
Dependent Claim 17 words
The material of claim 45, wherein said silver halide emulsion is chemically sensitized with a gold compound.
Claim 61
Dependent Claim 30 words
The material of claim 57, wherein an amount of said gold compound is within the range of from 5×10 -7 mol to 5×10 -3 mol per mol of silver halide.
Claim 62
Dependent Claim 30 words
The material of claim 58, wherein an amount of said gold compound is within the range of from 2×10 -6 mol to 1×10 -4 mol per mol of silver halide.
Claim 63
Dependent Claim 30 words
The material of claim 59, wherein an amount of said gold compound is within the range of from 2.6×10 -6 mol to 4×10 -5 mol per mol of silver halide.
Claim 64
Dependent Claim 30 words
The material of claim 60, wherein an amount of said gold compound is within the range of from 2.6×10 -6 mol to 9×10 -6 mol per mol of silver halide.
Claim 65
Dependent Claim 16 words
The material of claim 37, wherein said solubility product is not more than 1×10 -11 .
Claim 66
Dependent Claim 41 words
The material of claim 37, wherein said nitrogen-containing heterocyclic compound is represented by the following formula S: Z.sub.O --SM Formula S wherein Z O is a nitrogen-containing heterocyclic group and M is a hydrogen atom, and alkali metal atom or ammonium.
Claim 67
Dependent Claim 37 words
The material of claim 37, wherein an amount of said nitrogen-containing heterocyclic compound contained in said silver halide emulsion layer is within the range of from 1×10 -6 mol to 1×10 -1 mol per mol silver halide.
Claim 68
Dependent Claim 31 words
The material of claim 64, wherein an amount of said nitrogen-containing heterocyclic compound is within the range of from 1×10 -5 mol to 1×10 -2 mol per mol of silver halide.
Claim 69
Dependent Claim 35 words
The material of claim 38, wherein an amount of inorganic sulfur added into said silver halide emulsion layer is within the range of from 10 -5 mg to 10 mg per mol of silver halide.

References Cited (Backward Citations)

US3189458A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-04-02 1993-10-02 1994-04-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-04-02 1997-10-02 1998-04-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-04-02 2001-10-02 2002-04-03 $7700.00 Window Closed / Lapsed

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