US4243739A
Expired / Lapsed
US
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Silver halide photographic light-sensitive material
Assignee: Fujifilm Holdings Corp
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Filing: 1979-10-11
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Granted: 1981-01-06
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Expires: 1999-10-11
Abstract
Abstract A silver halide photographic light-sensitive material having at least one silver halide photographic emulsion layer comprising substantially surface latent image type silver halide grains, and containing in said photographic emulsion layer or at least one of other hydrophilic colloid layers a compound represented by the following general formula (I): ##STR1## wherein X 1 represents a group containing a ##STR2## moiety, Ar 1 and Ar 2 each represents a substituted or unsubstituted aromatic group, B represents a divalent linking group, n is 0 or 1, and R 1 represents a hydrogen atom, an unsubstituted alkyl group, or a substituted or unsubstituted aryl group.
Inventors
- 👤 Hiroyuki Mifune
- 👤 Shunji Takada
- 👤 Yoshitaka Akimura
- 👤 Shigeo Hirano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:55
CPC Classifications
C; C07; C07C; C07C243/00; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; G03C1/06; G03C1/061; Y; Y10; Y10S; Y10S430/00; Y10S430/15
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
101 words
A silver halide photographic light-sensitive material having at least one silver halide photographic emulsion layer comprising substantially surface latent image silver halide grains, and containing in said photographic emulsion layer or at least one of other hydrophilic colloid layers a compound represented by the following general formula (I): ##STR15## wherein X 1 represents a group containing a ##STR16## moiety, Ar 1 and Ar 2 each represents a substituted or unsubstituted aromatic group, B represents a divalent linking group, n is 0 or 1, and R 1 represents a hydrogen atom, an unsubstituted alkyl group, or a substituted or unsubstituted aryl group.
Claim 2
Dependent Claim
101 words
A silver halide photographic light-sensitive material having at least one silver halide photographic emulsion layer comprising substantially surface latent image silver halide grains, and containing in said photographic emulsion layer or at least one of other hydrophilic colloid layers a compound represented by the following general formula (I): ##STR15## wherein X 1 represents a group containing a ##STR16## moiety, Ar 1 and Ar 2 each represents a substituted or unsubstituted aromatic group, B represents a divalent linking group, n is 0 or 1, and R 1 represents a hydrogen atom, an unsubstituted alkyl group, or a substituted or unsubstituted aryl group.
Claim 3
Dependent Claim
95 words
The photographic light-sensitive material of claim 1, wherein X 1 represents ##STR17## wherein R 2 represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic ring group, R 3 represents a hydrogen atom, or a substituted or unsubstituted aliphatic group, R 4 represents a hydrogen atom, a substituted or unsubstituted aliphatic group, or a substituted or unsubstituted aromatic group provided that at least one of R 3 and R 4 represents a hydrogen atom, and R 2 and R 3 may combine to form a ring.
Claim 4
Dependent Claim
36 words
The photographic light-sensitive material of claim 1, wherein X 1 represents ##STR18## wherein R 2 represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic ring group.
Claim 5
Dependent Claim
36 words
The photographic light-sensitive material of claim 1, wherein X 1 represents ##STR19## wherein R 2 represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic ring group.
Claim 6
Dependent Claim
95 words
The photographic light-sensitive material of claim 1, wherein X 1 represents ##STR20## wherein R 2 represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic ring group, R 3 represents a hydrogen atom, or a substituted or unsubstituted aliphatic group, R 4 represents a hydrogen atom, a substituted or unsubstituted aliphatic group, or a substituted or unsubstituted aromatic group provided that at least one of R 3 and R 4 represents a hydrogen atom, and R 2 and R 3 may combine to form a ring.
Claim 7
Dependent Claim
36 words
The photographic light-sensitive material of claim 1, wherein R 1 represents a hydrogen atom, a straight chain or branched chain unsubstituted alkyl group having 1 to 3 carbon atoms, or a substituted or unsubstituted phenyl group.
Claim 8
Dependent Claim
24 words
The photographic light-sensitive material of claim 6, wherein R 1 represents a hydrogen atom, a methyl group or a substituted or unsubstituted phenyl group.
Claim 9
Dependent Claim
64 words
The photographic light-sensitive material of claim 2, 3, 4, or 5, wherein R 2 represents a substituted or unsubstituted straight chain, branched chain or cyclic alkyl group, an alkenyl group, an alkynyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group or a substituted or unsubstituted 5- or 6-membered saturated or unsaturated heterocyclic ring containing 1 to 4 hetero atoms.
Claim 10
Dependent Claim
35 words
The photographic light-sensitive material of claim 2 or 5, wherein R 3 represents a hydrogen atom, a substituted or unsubstituted straight chain, branched chain or cyclic alkyl group, an alkenyl group or an alkynyl group.
Claim 11
Dependent Claim
47 words
The photographic light-sensitive material of claim 2 or 5, wherein R 4 represents a hydrogen atom, a substituted or unsubstituted straight chain, branched chain or cyclic alkyl group, an alkenyl group, an alkynyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted naphthyl group.
Claim 12
Dependent Claim
65 words
The photographic light-sensitive material of claim 2 or 5, wherein R 2 and R 3 combine to form a ring of the formula: ##STR21## wherein a and b each represents O, S, or a divalent group of ##STR22## and d, e, f, g, h, i, j and k each represents a hydrogen atom, or an alkyl group or an aryl group which may be substituted.
Claim 13
Dependent Claim
29 words
The photographic light-sensitive material of claim 1, wherein Ar 1 and Ar 2 , each represents a substituted or unsubstituted phenylene group or a substituted or unsubstituted naphthylene group.
Claim 14
Dependent Claim
11 words
The photographic light-sensitive material of claim 1, wherein n is 0.
Claim 15
Dependent Claim
11 words
The photographic light-sensitive material of claim 1, wherein n is 1.
Claim 16
Dependent Claim
19 words
The photographic light-sensitive material of claim 1, 2, 3, 4, or 5, wherein R 1 represents a hydrogen atom.
Claim 17
Dependent Claim
18 words
The photographic light-sensitive material of claim 2 or 5, wherein R 3 and R 4 represent hydrogen atoms.
Claim 18
Dependent Claim
38 words
The photographic light-sensitive material of claim 1, wherein said substantially surface latent image silver halide grain is a silver halide which provides a greater sensitivity when developed with a surface developer than when developed with an internal developer.
Claim 19
Dependent Claim
16 words
The photographic light-sensitive material of claim 1, wherein said silver halide emulsion is a monodisperse emulsion.
Claim 20
Dependent Claim
21 words
The photographic light-sensitive material of claim 1, wherein said compound of the formula (I) is present in said photographic emulsion layer.
Claim 21
Dependent Claim
32 words
The photographic light-sensitive material of claim 1, wherein said compound of the formula (I) is present in an amount of about 10 -8 to 10 -2 mol per mol of silver halide.
Claim 22
Dependent Claim
32 words
The photographic light-sensitive material of claim 1, wherein said compound of the formula (I) is present in an amount of about 10 -6 to 10 -3 mol per mol of silver halide.
Claim 23
Dependent Claim
48 words
The photographic light-sensitive material of claim 1, wherein said silver halide has a mean particle size of not more than about 0.7 micron and is present in a binder wherein the binder is present in an amount of not more than 250 g per mol of silver halide.
Claim 24
Dependent Claim
24 words
The photographic light-sensitive material of claim 1, wherein said silver halide emulsion additionally contains a dispersion of a water-insoluble or slightly soluble synthetic polymer.
Claim 25
Dependent Claim
31 words
The photographic light-sensitive material of claim 1, wherein said silver halide emulsion additionally contains an iodide in an amount of about 10 -4 to 10 -2 mol per mol of silver.
Claim 26
Dependent Claim
28 words
The photographic light-sensitive material of claim 1, wherein said photographic light-sensitive material contains a polyalkylene oxide or a derivative thereof having a molecular weight of 600 or more.
Claim 27
Dependent Claim
36 words
The photographic light-sensitive material of claim 25, wherein said photographic light-sensitive material contains a polyalkylene oxide or a derivative thereof in an amount of about 5×10 -4 g to 5 g per mol of silver halide.
Claim 28
Dependent Claim
39 words
A process for forming photographic images which comprises developing the photographic light-sensitive material of claim 1 using a developer containing not more than about 0.15 mole per liter sulfite ion and having a pH of about 10.5 to 12.3.
Claim 29
Dependent Claim
29 words
The process of claim 27, wherein development is carried out in the presence of a polyalkylene oxide or a derivative thereof having a molecular weight of 600 or more.
Claim 30
Dependent Claim
25 words
The process of claim 27, wherein the developing solution contains a polyalkylene oxide or a derivative thereof having a molecular weight of 600 or more.
Claim 31
Dependent Claim
33 words
The process of claim 29, wherein the developing solution contains a polyalkylene oxide or a derivative thereof in an amount of about 1×10 -2 g to 40 g per liter of the developer.
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) | 1984-01-06 | 1984-07-07 | 1985-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-06 | 1988-07-07 | 1989-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-06 | 1992-07-07 | 1993-01-06 | $7700.00 | Window Closed / Lapsed |