US4029508A
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Silver halide material containing a yellow color-forming coupler
Assignee: Fujifilm Holdings Corp
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Filing: 1975-08-14
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Granted: 1977-06-14
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Expires: 1995-08-14
Abstract
Abstract A yellow color forming photographic coupler represented by the following general formula (I): ##STR1## wherein Q represents an aliphatic group, an alicyclic group, an aromatic group or a heterocyclic group; Y represents a hydrogen atom, an aliphatic group, an alicyclic group, an aromatic group or a heterocyclic group; R represents a divalent aliphatic group, a divalent alicyclic group, a divalent aromatic group or a divalent heterocyclic group; and Z represents an oxygen atom, a sulfur atom or a nitrogen atom substituted with an electron attracting group.
Inventors
- 👤 Mitsugu Tanaka
- 👤 Atsuaki Arai
- 👤 Kiyoshi Nakazyo
- 👤 Keisuke Shiba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:24
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/32; G03C7/36; G03C7/38; G03C7/381; C; C07; C07C; C07C205/00; C07C205/49; C07C205/57; C07C205/59; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/44; C07D231/52
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
135 words
A photographic silver halide emulsion containing a yellow color forming photographic coupler as represented by the following general formula (I) : ##STR12## wherein Q represents a phenyl group, a naphthyl group, a pyridyl group or a furyl group, Y represents a hydrogen atom, an aliphatic group having 1 to 40 carbon atoms, an ali cyclic group, an aromatic group having 6 to 40 carbon atoms or a heterocyclic group having 3 to 40 carbon atoms, R represents a divalent aliphatic group having 1 to 40 carbon atoms, a divalent ali cylic group, a divalent aromatic group having 6 to 40 carbon atoms or a divalent heterocyclic group having 3 to 40 carbon atoms; and Z represents an oxygen atom, a sulfur atom or a nitrogen atom substituted with an acyl group or a sulfonyl group.
Claim 2
Dependent Claim
135 words
A photographic silver halide emulsion containing a yellow color forming photographic coupler as represented by the following general formula (I) : ##STR12## wherein Q represents a phenyl group, a naphthyl group, a pyridyl group or a furyl group, Y represents a hydrogen atom, an aliphatic group having 1 to 40 carbon atoms, an ali cyclic group, an aromatic group having 6 to 40 carbon atoms or a heterocyclic group having 3 to 40 carbon atoms, R represents a divalent aliphatic group having 1 to 40 carbon atoms, a divalent ali cylic group, a divalent aromatic group having 6 to 40 carbon atoms or a divalent heterocyclic group having 3 to 40 carbon atoms; and Z represents an oxygen atom, a sulfur atom or a nitrogen atom substituted with an acyl group or a sulfonyl group.
Claim 3
Dependent Claim
20 words
The photographic emulsion as claimed in claim 1, wherein Q represents an aliphatic group having 1 to 20 carbon atoms.
Claim 4
Dependent Claim
56 words
The photographic emulsion as claimed in claim 2, wherein Q represents an unsubstituted alkyl group or an alkyl group substituted with one or more of an alkoxy group, an aryl group, an aryloxy group, an amino group, an acyl group, an acylamino group, an alkylthio group, an arylthio group, a hydroxy group or a halogen atom.
Claim 5
Dependent Claim
64 words
The photographic emulsion as claimed in claim 1, wherein said phenyl group is an unsubstituted phenyl group or a phenyl group substituted with one or more of an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an acyl group, an acylamino group, a hydroxy group, a carbamoyl group, a sulfoamido group, a sulfamoyl group, an alkoxycarbonyl group or a halogen atom.
Claim 6
Dependent Claim
20 words
The photographic emulsion as claimed in claim 1, wherein Y represents an aliphatic group having 1 to 20 carbon atoms.
Claim 7
Dependent Claim
35 words
The photographic emulsion as claimed in claim 5, wherein Y represents an unsubstituted alkyl group or an alkyl group substituted with one or more of an alkoxy group, an aryl group or an aryloxy group.
Claim 8
Dependent Claim
127 words
The photographic emulsion as claimed in claim 1, wherein Y represents a phenyl group, a naphthyl group, a pyridyl group or a furyl group, each of which groups may be substituted with one or more of a halogen atom, a nitro group, a cyano group, a thiocyano group, a hydroxy group, an aryloxycarbonylamino group, an alkoxycarbonylamino group, an alkylthio group, an arylthio group, an ureido group, an alkoxy group, an aryloxy group, an alkyl group, an alkenyl group, an aryl group, an amino group, a carboxy group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfonyl group, a carbamoyl group, an acylamino group, a sulfo group, an alkylsulfonyl group, an arylsulfonyl group, an alkoxysulfonyl group, an aryloxysulfonyl group, a sulfamoyl group or a sulfonamido group.
Claim 9
Dependent Claim
110 words
The photographic emulsion as claimed in claim 1, wherein said coupler is represented by the following general formula (II) ##STR13## wherein Q and Z each has the same meaning as defined in claim 1; Q 1 , Q 2 , Q 3 and Q 4 , which may be the same or different, each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an alkoxycarbonyl group, a sulfonyl group, a carbamoyl group, a sulfamoyl group, an alkylamino group, an arylamino group, a sulfoamino group, an acylamino group, a carboxy group, a sulfo group, a cyano group or a hydroxy group.
Claim 10
Dependent Claim
19 words
A photographic light-sensitive material which comprises a support having thereon the silver halide emulsion as claimed in claim 1.
Claim 11
Dependent Claim
50 words
A photographic light-sensitive material which comprises a support having thereon a red-sensitive silver halide emulsion layer containing a cyan color forming coupler, a green-sensitive silver halide emulsion layer containing a magenta color forming coupler, and a blue-sensitive silver halide emulsion layer containing the photographic emulsion as claimed in claim 1.
Claim 12
Dependent Claim
51 words
The photographic emulsion as claimed in claim 1, wherein Y and R when a heterocyclic group are a 5-membered or 6-membered heterocyclic group containing at least one hetero atom selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom which can have a fused ring.
Claim 13
Dependent Claim
128 words
The photographic emulsion as claimed in claim 1, wherein Y and R are selected from the group consisting of a phenyl group, a naphthyl group, a pyridyl group or a furyl group, which can be substituted with one or more of a halogen atom, a nitro group, a cyano group, a thiocyano group, a hydroxy group, an aryloxycarbonyl amino group, an alkoxycarbonyl amino group, an alkylthio group, an arylthio group, a ureido group, an alkoxy group, an aryloxy group, an alkyl group, an alkenyl group, an aryl group, an amino group, a carboxy group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfonyl group, a carbamoyl group, an acylamino group, a sulfo group, an alkoxysulfonyl group, an aryloxysulfonyl group, a sulfamoyl group, or a sulfoamido group.
Claim 14
Independent Claim
155 words
A method of forming color photographic images which comprises developing an image-exposed photographic silver halide emulsion with a primary aromatic amine color developing agent in the presence of a yellow color forming photographic coupler as represented by the following general formula (I): ##STR14## wherein Q represents a phenyl group, a naphthyl group, a pyridyl group or a furyl group, Y represents a hydrogen atom, an aliphatic group having 1 to 40 carbon atoms, an ali cyclic group, an aromatic group having 6 to 40 carbon atoms or a heterocyclic group having 3 to 40 carbon atoms, R represents a divalent aliphatic group having 1 to 40 carbon atoms, a divalent alicylic group, a divalent aromatic group having 6 to 40 carbon atoms or a divalent heterocyclic group having 3 to 40 carbon atoms; and Z represents an oxygen atom, a sulfur atom or a nitrogen atom substituted with an acyl group or a sulfonyl group.
Claim 15
Independent Claim
155 words
A method of forming color photographic images which comprises developing an image-exposed photographic silver halide emulsion with a primary aromatic amine color developing agent in the presence of a yellow color forming photographic coupler as represented by the following general formula (I): ##STR14## wherein Q represents a phenyl group, a naphthyl group, a pyridyl group or a furyl group, Y represents a hydrogen atom, an aliphatic group having 1 to 40 carbon atoms, an ali cyclic group, an aromatic group having 6 to 40 carbon atoms or a heterocyclic group having 3 to 40 carbon atoms, R represents a divalent aliphatic group having 1 to 40 carbon atoms, a divalent alicylic group, a divalent aromatic group having 6 to 40 carbon atoms or a divalent heterocyclic group having 3 to 40 carbon atoms; and Z represents an oxygen atom, a sulfur atom or a nitrogen atom substituted with an acyl group or a sulfonyl group.
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) | 1980-06-13 | 1980-12-13 | 1981-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-13 | 1984-12-13 | 1985-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-13 | 1988-12-13 | 1989-06-14 | $7700.00 | Window Closed / Lapsed |