Patent US5164751A successfully refreshed from Google Patents.
Patent US4584264A successfully refreshed from Google Patents.
US4584264A
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US
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Color photographic light-sensitive materials
Assignee: Fujifilm Holdings Corp
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Filing: 1985-05-20
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Granted: 1986-04-22
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Expires: 2005-05-20
Abstract
Abstract A silver halide color photographic light-sensitive material containing a compound of the general formula (I) as a color stain inhibitor: ##STR1## R 1 , R 2 , R 3 , l, m and n are as defined herein. This color stain inhibitor has various advantages and is capable of efficiently removing oxidized color developing agents, can be used in light-sensitive materials with reduced layer thickness, and is free from changes in performance even after a long-term storage.
Inventors
- 👤 Nobutaka Ohki
- 👤 Yoshinobu Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:21
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/26; G03C7/30; G03C7/392; G03C7/39208; G03C7/39236
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
99 words
A silver halide color photographic light-sensitive material containing a compound represented by the general formula (II) as a color stain inhibitor ##STR10## wherein: R 1 is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an acylamino group, an alkylthio group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfamoylamino group, a carbamoylamino group, an arysulfonamido group, an alkylsulfonamide group, an acyl group, a sulfonyl group, or a carbamoyl group each of which groups may be substituted; and R 2 is an alkyl group, an aryl group or an amino group which may be unsubstituted or substituted.
Claim 2
Dependent Claim
99 words
A silver halide color photographic light-sensitive material containing a compound represented by the general formula (II) as a color stain inhibitor ##STR10## wherein: R 1 is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an acylamino group, an alkylthio group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfamoylamino group, a carbamoylamino group, an arysulfonamido group, an alkylsulfonamide group, an acyl group, a sulfonyl group, or a carbamoyl group each of which groups may be substituted; and R 2 is an alkyl group, an aryl group or an amino group which may be unsubstituted or substituted.
Claim 3
Dependent Claim
45 words
The silver halide color photographic light-sensitive material of claim 1, wherein R 1 is a hydrogen atom, an alkyl group, an acylamino group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfamoylamino group, a carbamoylamino group, an acyl group, a sulfonyl group or a carbamoyl group.
Claim 4
Dependent Claim
24 words
The silver halide color photographic light-sensitive material of claim 1, wherein the --NHSO 2 R 2 is substituted in the 6-position of the nucleus.
Claim 5
Dependent Claim
28 words
The silver halide color photographic light-sensitive material of claim 1, wherein the amount of said color stain inhibitor is 1.0×10 -3 to 1.0×10 -6 mole per square meter.
Claim 6
Dependent Claim
17 words
The silver halide color photographic light-sensitive material of claim 1, wherein R 2 is an amino group.
Claim 7
Dependent Claim
96 words
A silver halide color photographic light-sensitive material containing a color stain inhibitor which consists essentially of a compound represented by the general formula (IV) ##STR11## wherein: R 1 is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an acylamino group, an alkylthio group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfamoylamino group, a carbamoylamino group, an acyl group, a sulfonyl group, or a carbamoyl group each of which groups may be substitited; and R 2 is an alkyl group, an aryl group or an amino group which may be unsubstituted or substituted.
Claim 8
Dependent Claim
96 words
A silver halide color photographic light-sensitive material containing a color stain inhibitor which consists essentially of a compound represented by the general formula (IV) ##STR11## wherein: R 1 is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an acylamino group, an alkylthio group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfamoylamino group, a carbamoylamino group, an acyl group, a sulfonyl group, or a carbamoyl group each of which groups may be substitited; and R 2 is an alkyl group, an aryl group or an amino group which may be unsubstituted or substituted.
Claim 9
Dependent Claim
36 words
The silver halide color photographic light-sensitive material of claim 6, wherein R 1 is a hydrogen atom, a halogen atom, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyl group, a sulfonyl group or a carbamoyl group.
Claim 10
Dependent Claim
28 words
The silver halide color photographic light-sensitive material of claim 6, wherein the amount of said color stain inhibitor is 1.0×10 -3 to 1.0×1 -6 mole per square meter.
Claim 11
Dependent Claim
17 words
The silver halide color photographic light-sensitive material of claim 6, wherein R 2 is an amino group.
Claim 12
Dependent Claim
22 words
The silver halide color photographic light-sensitive material of claim 6, wherein the color stain inhibitor is a compound of formula (IV) only.
References Cited (Backward Citations)
US3930866A
Cited
US4198239A
Cited
US4175968A
Cited
US4277558A
Cited
US4366226A
Cited
US4474874A
Cited
US4447523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-21 | 1989-10-21 | 1990-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-21 | 1993-10-21 | 1994-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-21 | 1997-10-21 | 1998-04-22 | $7700.00 | Window Closed / Lapsed |