US4008086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide emulsion containing photographic yellow coupler
Assignee: Konica Minolta Inc
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Filing: 1975-05-16
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Granted: 1977-02-15
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Expires: 1995-05-16
Abstract
Abstract An improved photographic system in which a new yellow coupler is employed. The yellow coupler has the formula, ##STR1## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of an acetanilide yellow coupler; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkylcarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more the R groups may be the same or different, and two adjacent R groups in combination may form a benzene ring.
Inventors
- 👤 Wataru Fujimatsu
- 👤 Shui Sato
- 👤 Tamotsu Kojima
- 👤 Takaya Endo
- 👤 Kazumi Minahara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:32
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64; G; G03; G03C; G03C7/00; G03C7/30; G03C7/305; G03C7/30511; G03C7/30517; G03C7/30535
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
110 words
A light-sensitive gelatinous silver halide photographic emulsion containing a substituted type photographic yellow coupler having the formula, ##STR42## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkycarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more the R groups may be the same or different and two adjacent R groups in combination may form a benzene ring.
Claim 2
Dependent Claim
110 words
A light-sensitive gelatinous silver halide photographic emulsion containing a substituted type photographic yellow coupler having the formula, ##STR42## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkycarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more the R groups may be the same or different and two adjacent R groups in combination may form a benzene ring.
Claim 3
Dependent Claim
110 words
A light-sensitive gelatinous silver halide photographic emulsion containing a substituted type photographic yellow coupler having the formula, ##STR43## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acylacetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkycarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more the R groups may be the same or different, and two adjacent R groups in combination may form a benzene ring.
Claim 4
Dependent Claim
110 words
A light-sensitive gelatinous silver halide photographic emulsion containing a substituted type photographic yellow coupler having the formula, ##STR43## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acylacetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkycarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more the R groups may be the same or different, and two adjacent R groups in combination may form a benzene ring.
Claim 5
Dependent Claim
19 words
A light-sensitive gelatinous silver halide photographic emulsion as claimed in claim 2 wherein the X is a --CH= group.
Claim 6
Dependent Claim
19 words
A light-sensitive gelatinous silver halide photographic emulsion as claimed in claim 2 wherein the X is a --N= group.
Claim 7
Dependent Claim
112 words
A light-sensitive gelatinous silver halide photographic emulsion containing a substituted type photographic yellow coupler having the formula, ##STR44## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the α-pivalylacetanilide or α-benzoylacetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkycarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more the R groups may be the same or different, and two adjacent R groups in combination may form a benzene ring.
Claim 8
Dependent Claim
112 words
A light-sensitive gelatinous silver halide photographic emulsion containing a substituted type photographic yellow coupler having the formula, ##STR44## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the α-pivalylacetanilide or α-benzoylacetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkycarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more the R groups may be the same or different, and two adjacent R groups in combination may form a benzene ring.
Claim 9
Independent Claim
137 words
A method of forming a yellow dye image which comprises bringing a yellow coupler into contact with exposed silver halide crystals in the presence of an aromatic amine type developing agent to form a yellow dye image wherein said yellow coupler has the formula, ##STR45## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkylcarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more, the R groups may be the same or different, and two adjacent R groups in combination may form a benzene ring.
Claim 10
Independent Claim
137 words
A method of forming a yellow dye image which comprises bringing a yellow coupler into contact with exposed silver halide crystals in the presence of an aromatic amine type developing agent to form a yellow dye image wherein said yellow coupler has the formula, ##STR45## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkylcarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more, the R groups may be the same or different, and two adjacent R groups in combination may form a benzene ring.
Claim 11
Dependent Claim
32 words
A method as claimed in claim 6 wherein the Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acylacetanilide type.
Claim 12
Dependent Claim
34 words
A method as claimed in claim 6 wherein the Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the α-pivalylacetanilide or α-benzoylacetanilide type.
Claim 13
Dependent Claim
117 words
A color developer for developing exposed silver halide crystals, which comprises an aromatic amine type developing agent and a yellow coupler of the formula, ##STR46## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkylcarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more the R groups may be the same or different, and two adjacent R groups in combination may form a benzene ring.
Claim 14
Dependent Claim
117 words
A color developer for developing exposed silver halide crystals, which comprises an aromatic amine type developing agent and a yellow coupler of the formula, ##STR46## wherein X is a --N= or --CH= group; Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acetanilide type; n is an integer of 1 to 4; and R is a hydrogen or halogen atom, or an alkyl, alkoxy, alkylcarbonyl, aryl, arylcarbonyl, amino, acylamino, carboxyl, nitrile, aralkyl or aralkyloxy group, provided that in case n is 2 or more the R groups may be the same or different, and two adjacent R groups in combination may form a benzene ring.
Claim 15
Dependent Claim
33 words
A color developer as claimed in claim 9 wherein the Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the acylacetanilide type.
Claim 16
Dependent Claim
35 words
A color developer as claimed in claim 9 wherein the Cp is a residue formed by removing one hydrogen atom of the active methylene group of a yellow coupler of the α-pivalylacetanilide or α-benzoylacetanilide type.
References Cited (Backward Citations)
US3900483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-15 | 1980-08-16 | 1981-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-15 | 1984-08-16 | 1985-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-15 | 1988-08-16 | 1989-02-15 | $7700.00 | Window Closed / Lapsed |