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US4892807A Expired / Lapsed US ⏱️ 0.0 years remaining

Silver halide photographic light-sensitive material excellent in treatment stability

Assignee: Konica Minolta Inc
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Filing: 1987-07-29
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Granted: 1990-01-09
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Expires: 2007-07-29
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Abstract

Abstract A color photographic material is disclosed, which is improved in the preservability of the dye image and in the resistance to the pH fluctuation or the contamination with bleach-fixer of the color developer. The photographic light-sensitive material comprising a support having thereon photographic component layers comprising a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer containing silver halide grains each comprising not less than 90 mol % of silver chloride, a compound represented by the following formula [S] and a cyan coupler represented by the following formula [I]. ##STR1##

Inventors

  • 👤 Shigeto Hirabayashi
  • 👤 Hirokazu Sato
  • 👤 Eiichi Sakamoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:04
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/32; G03C7/34; G03C7/392; G03C7/39208; G03C7/3924; G03C7/39244; G03C7/3926

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 243 words
A silver halide photographic light-sensitive material comprising a support having thereon photographic component layers comprising a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, wherein said red-sensitive silver halide emulsion layer contains silver halide grains comprising not less than 90 mol % of silver chloride, a compound represented by the following formula [S] and a cyan coupler represented by the following formula [I]: ##STR132## wherein Ar is an arylene group or a cycloalkylene group; R A is an alkyl group, an alkoxy group, a carboxyl group or its salt, a sulfo group or its salt, a hydroxyl group, an amino group, an acylamino group, a ##STR133## group, an --NHSO 2 R" group or an ##STR134## group, R' and R" being a hydrogen atom an alkyl group or an aryl group, respectively, and M is a hydrogen atom, an alkali metal atom or an ammonium group; ##STR135## wherein R 1 is an alkyl group or an aryl group; R 2 is an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group; R 3 is a hydrogen atom, a halogen atom, an alkyl group or a alkoxy group, R 3 and R 1 being allowed to form a ring by coupling with R 1 ; Z represent a hydrogen atom or a group capable of being splitted off upon reaction with the oxidized product of an aromatic primary amine color developing agent.
Claim 2
Dependent Claim 243 words
A silver halide photographic light-sensitive material comprising a support having thereon photographic component layers comprising a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, wherein said red-sensitive silver halide emulsion layer contains silver halide grains comprising not less than 90 mol % of silver chloride, a compound represented by the following formula [S] and a cyan coupler represented by the following formula [I]: ##STR132## wherein Ar is an arylene group or a cycloalkylene group; R A is an alkyl group, an alkoxy group, a carboxyl group or its salt, a sulfo group or its salt, a hydroxyl group, an amino group, an acylamino group, a ##STR133## group, an --NHSO 2 R" group or an ##STR134## group, R' and R" being a hydrogen atom an alkyl group or an aryl group, respectively, and M is a hydrogen atom, an alkali metal atom or an ammonium group; ##STR135## wherein R 1 is an alkyl group or an aryl group; R 2 is an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group; R 3 is a hydrogen atom, a halogen atom, an alkyl group or a alkoxy group, R 3 and R 1 being allowed to form a ring by coupling with R 1 ; Z represent a hydrogen atom or a group capable of being splitted off upon reaction with the oxidized product of an aromatic primary amine color developing agent.
Claim 3
Dependent Claim 30 words
The silver halide photographic light-sensitive material of claim 1, wherein said silver halide grains are essentially consisting of silver chlorobromide containing from 0.1 to 1 mol % of silver bromide.
Claim 4
Dependent Claim 50 words
The silver halide photographic light-sensitive material of claim 1, wherein said red-sensitive emulsion layer contains said silver halide grains comprising not less than 90 mol % of silver chloride in an proportion of at least 60% by weight to the total weight of silver halide contained in said emulsion layer.
Claim 5
Dependent Claim 49 words
The silver halide photographic light-sensitive material of claim 3, wherein said red-sensitive emulsion layer contains said silver halide grains comprising not less than 90 mol % of silver chloride in an proportion of at least 80% by weight to the total weight of silver halide contained in said layer.
Claim 6
Dependent Claim 20 words
The silver halide photographic light-sensitive material of claim 1, wherein said red-sensitive silver halide emulsion layer contains a gold compound.
Claim 7
Dependent Claim 47 words
The silver halide photographic light-sensitive material of claim 1, wherein said red-sensitive silver halid emulsion layer contains said compound represented by the formula [S] in an amount of from 1×10 -6 to 1×10 -1 mol per mol of silver halide contained in said silver halide photographic layer.
Claim 8
Dependent Claim 47 words
The silver halide photographic light-sensitive material of claim 6, wherein said red-sensitive silver halide emulsion layer contains said compound represented by the formula [S] in an amount of from 1×10 -5 to 1×10 -2 mol per moI of silver halide contained in said silver halide photographic layer.
Claim 9
Dependent Claim 109 words
The silver halide photographic light-sensitive material of claim 1, wherein said coupler represented by the formula [I] is selected from the couplers represented by the following formula [I']: ##STR136## wherein R 4 is a phenyl group; R 5 is an alkyl group or an aryl group; R 6 is an alylene group; R 7 is a hydrogen atom or a halogen atom; n is 0 or a positive integer; X is --O--, --CO--, --COO--, --OCO--, --SO 2 NR--, NR'SO 2 --, NR"--, --S--, --SO-- or --SO 2 --, in which R' and R" are each an alkyl group; and Z is the same as described in the formula [I].
Claim 10
Dependent Claim 160 words
The silver halide photographic light-sensitive material of claim 1, wherein said red-sensitive silver halide emulsion layers is hardened by a compound represented by the following formula [HDA] or [HDB]: ##STR137## wherein Rd 1 is a chlorine atom, a hydroxyl group, an alkyl group, an alkylthio group, an --OM group, M being a monovalent metal atom, an --NRd'Rd", Rd' and Rd" being a hydrogen atom, an alkyl group or an aryl group, respectively, or an --NHCORd'" group, R'" being a hydrogen atom, an alkyl group or an aryl group; Rd 2 is the same as Rd 1 except chlorine atom; ##STR138## wherein RD 3 and Rd 4 are a chlorine atom, a hydroxyl group, an alkoxy group, or an --OM group, M being a monovalent metal atom, respectively; Q and Q' are a bonding group represented by a --O--, --S-- or --NH--, respectively; L is an alkylene group or an arylene group and p and q are 0 or 1, respectively.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-01-08 1993-07-10 1994-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-01-08 1997-07-10 1998-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-01-08 2001-07-10 2002-01-09 $7700.00 Window Closed / Lapsed

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