US4264722A
Expired / Lapsed
US
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Silver halide photographic light-sensitive material
Assignee: Fujifilm Holdings Corp
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Filing: 1979-11-14
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Granted: 1981-04-28
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Expires: 1999-11-14
Abstract
Abstract A silver halide photographic light-sensitive material containing a colorless photographic cyan color-forming coupler having, in a position for coupling with an oxidation product of an aromatic primary amine developing agent, an eliminatable group represented by the following formula (I): --O--(R.sub.1 O).sub.x (R.sub.2 O).sub.y R.sub.3 (I) wherein R 1 and R 2 each represents a substituted or unsubstituted alkylene group which may be branched provided that R 1 is not substituted with an aryl group at the carbon atom adjacent to the oxygen atom bonded to the coupling position, R 3 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a cycloalkyl group, an aryl group, or a cyan coupler residue, x represents a positive integer, and y represents 0 or a positive integer.
Inventors
- 👤 Morio Yagihara
- 👤 Yukio Yokota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:27
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/305; G03C7/30511; G03C7/30517; G03C7/30523
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
124 words
A silver halide photographic light-sensitive material containing a colorless photographic cyan color-forming coupler having, in a position for coupling with an oxidation product of an aromatic primary amine developing agent, an eliminatable group represented by the following formula (I): --O--(R.sub.1 O).sub.x (R.sub.2 O).sub.y R.sub.3 (I) wherein R 1 and R 2 each represents a substituted or unsubstituted alkylene group which may be branched provided that R 1 is not substituted with an aryl group at the carbon atom adjacent to the oxygen atom bonded to the coupling position, R 3 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a cycloalkyl group, an aryl group, or a cyan coupler residue, x represents a positive integer, and y represents 0 or a positive integer.
Claim 2
Dependent Claim
124 words
A silver halide photographic light-sensitive material containing a colorless photographic cyan color-forming coupler having, in a position for coupling with an oxidation product of an aromatic primary amine developing agent, an eliminatable group represented by the following formula (I): --O--(R.sub.1 O).sub.x (R.sub.2 O).sub.y R.sub.3 (I) wherein R 1 and R 2 each represents a substituted or unsubstituted alkylene group which may be branched provided that R 1 is not substituted with an aryl group at the carbon atom adjacent to the oxygen atom bonded to the coupling position, R 3 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a cycloalkyl group, an aryl group, or a cyan coupler residue, x represents a positive integer, and y represents 0 or a positive integer.
Claim 3
Dependent Claim
37 words
The light-sensitive material of claim 1, wherein R 1 and R 2 represents an alkylene group selected from a methylene group, a dimethylene group, a trimethylene group, a 2-methyldimethylene group, a 2-methyltrimethylene group and a propylene group.
Claim 4
Dependent Claim
33 words
The light-sensitive material of claim 2, wherein said alkylene group is substituted with a group selected from a nitro group, a hydroxy group, a sulfo group, an alkoxy group, and an aryl group.
Claim 5
Dependent Claim
46 words
The light-sensitive material of claim 1, wherein R 3 represents a hydrogen atom, a straight chain or branched alkyl group containing 1 to 18 carbon atoms, a cyclohexyl group, a cyclopentyl group, an aryl group containing 6 to 12 carbon atoms, or a cyan coupler residue.
Claim 6
Dependent Claim
69 words
The light-sensitive material of claim 1, wherein said coupler is represented by the formula: A--O--(R.sub.1 O).sub.x (R.sub.2 O).sub.y R.sub.3 ].sub.n (IA) wherein R 1 , R 2 , R 3 , x and y are defined as in claim 1, A represents a cyan color-forming coupler residue containing a naphtholic or phenolic nucleus and n is an integer corresponding to the number of coupling-active positions in the coupler residue.
Claim 7
Dependent Claim
67 words
The light-sensitive material of claim 1, wherein said coupler is represented by the formula: A--O--(R.sub.1 O).sub.x (R.sub.2 O).sub.y R.sub.3 ].sub.n (IA) wherein R 1 , R 2 , R 3 , x and y are defined as in claim 1, A represents a cyan color-forming coupler residue containing a naphtholic nucleus and n is an integer corresponding to the number of coupling-active positions in the coupler residue.
Claim 8
Dependent Claim
67 words
The light-sensitive material of claim 1, wherein said coupler is represented by the formula: A--O--(R.sub.1 O).sub.x (R.sub.2 O).sub.y R.sub.3 ].sub.n (IA) wherein R 1 , R 2 , R 3 , x and y are defined as in claim 1, A represents a cyan color-forming coupler residue containing a phenolic nucleus and n is an integer corresponding to the number of coupling-active positions in the coupler residue.
Claim 9
Dependent Claim
12 words
The light-sensitive material of claim 5, wherein n is 1 or 2.
Claim 10
Dependent Claim
23 words
The light-sensitive material of claim 5, wherein x and y each is an integer of 1 to 10 and y may be 0.
Claim 11
Dependent Claim
206 words
The light-sensitive material of claim 5, wherein said coupler is represented by the formulae: ##STR6## wherein R 1 , R 2 , R 3 , x and y are defined as in claim 5, R 4 represents a hydrogen atom, an aliphatic group containing up to 30 carbon atoms, an alkoxy group, an aryloxy group, or a group represented by the following formulae: ##STR7## wherein B and B' may be the same or different and each represents an aliphatic group containing up to 32 carbon atoms, or an aryl group both of which may be substituted, D and D' each represents a B group or --OB, --NHB, and --NB 2 , R 5 represents a hydrogen atom, an aliphatic group containing up to 30 carbon atoms, or a group represented by the above formula (VII) or (VIII), R 6 , R 7 , R 8 , R 9 and R 10 each represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an alkoxy group, an alkylthio group, a heterocyclic group, an amino group, a carbonamido group, a sulfonamido group, a sulfamyl group, or a carbamyl group, W represents the non-metallic atom necessary to complete a 5- or 6-membered carboxylic or heterocyclic ring.
Claim 12
Dependent Claim
48 words
The light-sensitive material of claim 10, wherein R 1 and R 2 each represents an alkylene group containing 1 to 4 carbon atoms, R 3 represents a hydrogen atom or a carboxy-substituted alkyl group, x and y represents integers of 1 to 4 and y may be 0.
Claim 13
Dependent Claim
17 words
The light-sensitive material of claim 11, wherein the sum of x and y is 2 to 8.
Claim 14
Dependent Claim
20 words
The light-sensitive material of claims 1, 5 or 10, wherein said coupler is present in a silver halide emulsion layer.
Claim 15
Dependent Claim
31 words
The light-sensitive material of claim 10, wherein said coupler is diffusion resistant and contains a C 8 to C 30 hydrophobic residue at one of the R 1 -R 10 positions.
Claim 16
Dependent Claim
24 words
The light-sensitive material of claim 1, wherein said coupler is present in an amount of 1 to 1,500 g per mol of silver halide.
Claim 17
Dependent Claim
31 words
The light-sensitive material of claim 1, wherein said coupler is present in a layer adjacent a layer containing a p-substituted phenol derivative or in a layer containing a p-substituted phenol derivative.
Claim 18
Dependent Claim
26 words
The light-sensitive material of claim 1, wherein R 3 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a cycloalkyl group, or an aryl group.
Claim 19
Dependent Claim
18 words
The light-sensitive material of claim 1, wherein R 3 is a hydrogen atom or an unsubstituted alkyl group.
Claim 20
Dependent Claim
34 words
The light-sensitive material of claim 1, wherein R 1 and R 2 are an alkylene group with 1 to 6 carbon atoms and R 3 is hydrogen or C 1 to C 18 alkyl.
Claim 21
Dependent Claim
15 words
The light-sensitive material of claim 19, wherein R 3 if alkyl is CH 3 .
Claim 22
Dependent Claim
29 words
The light-sensitive material of claim 1, wherein said colorless photographic cyan color forming coupler comprises the moiety: ##STR8## wherein the bond indicates the substitution point of said eliminatable 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) | 1984-04-27 | 1984-10-27 | 1985-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-27 | 1988-10-27 | 1989-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-27 | 1992-10-27 | 1993-04-28 | $7700.00 | Window Closed / Lapsed |