US4729946A
Expired / Lapsed
US
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Silver halide photographic light-sensitive material
Assignee: Fujifilm Holdings Corp
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Filing: 1986-11-19
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Granted: 1988-03-08
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Expires: 2006-11-19
Abstract
Abstract A silver halide photographic light-sensitive material is disclosed, comprising a monodisperse silver halide emulsion of 0.30 μm or less in average silver halide grain size containing at least 75 mol % silver chloride and 2 mol % or less silver iodide, and having incorporated in said emulsion a dye represented by the formula (I) ##STR1## wherein Z represents atoms forming a thiazoline nucleus, a thiazole nucleus, or a benzothiazole nucleus, X represents an oxygen atom or a sulfur atom, and R 1 and R 2 each represents an unsubstituted or substituted aliphatic group or an unsubstituted or substituted aromatic group.
Inventors
- 👤 Yasuo Kasama
- 👤 Kiyohiko Yamamuro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:29
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/22; G03C1/035; G03C2001/03517; G03C2001/03558; G03C2001/0357; Y; Y10; Y10S; Y10S430/00; Y10S430/15
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
95 words
A silver halide photographic light-sensitive material, comprising a monodisperse silver halide emulsion of 0.30 μm or less in average silver halide grain size containing at least 75 mol%, silver chloride and 2 mol% or less silver iodide, and having incorporated in said emulsion a dye represented by formula (I) ##STR21## wherein Z represents atoms forming a thiazoline nucleus, a thiazole nucleus, or a benzothiazole nucleus, X represents an oxygen atom or a sulfur atom, and R 1 and R 2 each represents an unsubstituted or substituted aliphatic group or an unsubstituted or substituted aromatic group.
Claim 2
Dependent Claim
95 words
A silver halide photographic light-sensitive material, comprising a monodisperse silver halide emulsion of 0.30 μm or less in average silver halide grain size containing at least 75 mol%, silver chloride and 2 mol% or less silver iodide, and having incorporated in said emulsion a dye represented by formula (I) ##STR21## wherein Z represents atoms forming a thiazoline nucleus, a thiazole nucleus, or a benzothiazole nucleus, X represents an oxygen atom or a sulfur atom, and R 1 and R 2 each represents an unsubstituted or substituted aliphatic group or an unsubstituted or substituted aromatic group.
Claim 3
Dependent Claim
36 words
A silver halide photographic light-sensitive material as in claim 1, wherein R 1 and R 2 each represents an alkyl group containing from 1 to 5 carbon atoms or a phenyl group or a naphthyl group.
Claim 4
Dependent Claim
39 words
A silver halide photographic light-sensitive material as in claim 1, wherein the dye represented by formula (I) is used in an amount of from 10 mg to 600 mg per mol of silver halide in said silver halide emulsion.
Claim 5
Dependent Claim
39 words
A silver halide photographic light-sensitive material as in claim 2, wherein the dye represented by formula (I) is used in an amount of from 10 mg to 600 mg per mol of silver halide in said silver halide emulsion.
Claim 6
Dependent Claim
39 words
A silver halide photographic light-sensitive material as in claim 1, wherein the dye represented by formula (I) is used in an amount of from 100 mg to 400 mg per mol of silver halide in said silver halide emulsion.
Claim 7
Dependent Claim
39 words
A silver halide photographic light-sensitive material as in claim 2, wherein the dye represented by formula (I) is used in an amount of from 100 mg to 400 mg per mol of silver halide in said silver halide emulsion.
Claim 8
Dependent Claim
30 words
A silver halide photographic light-sensitive material as in claim 1, wherein said silver halide emulsion contains silver halide grains formed or ripened in the presence of a silver halide solvent.
Claim 9
Dependent Claim
105 words
A silver halide photographic light-sensitive material as in claim 7, wherein said silver halide solvent is a tetra-substituted thiourea compound represented by formula (II) ##STR22## wherein W 1 , W 2 , W 3 , and W 4 each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted aryl group, with the sum of the carbon atoms in W 1 through W 4 being up to 30, or W 1 and W 2 , W 2 and W 3 , or W 3 and W 4 , taken together, represent a 5- or 6-membered heterocyclic ring.
Claim 10
Dependent Claim
20 words
A silver halide photographic light-sensitive material as in claim 7, wherein said silver halide solvent is an organic thioether compound.
Claim 11
Dependent Claim
91 words
A silver halide photographic light-sensitive material as in claim 7, wherein said silver halide solvent is a compound represented by formula (IV) ##STR23## wherein K represents a sulfur atom or an oxygen atom; M 0 and M 1 each represents an aliphatic group, an aryl group, a hetero ring residue, or an amino group, or M 0 and M 1 together form a 5- or 6-membered hetero ring, R 2 represents an unsubstituted or substituted alkyl group containing from 1 to 4 carbon atoms or an unsubstituted or substituted aryl group.
Claim 12
Dependent Claim
19 words
A silver halide photographic light-sensitive material as in claims 1, wherein said silver halide emulsion contains a rhodium salt.
Claim 13
Dependent Claim
27 words
A silver halide photographic light-sensitive material as in claim 11, wherein said rhodium salt is used in an amount of from 1×10 -10 to 1×10 -5 mol.
Claim 14
Dependent Claim
27 words
A silver halide photographic light-sensitive material as in claim 11, wherein said rhodium salt is used in an amount of from 1×10 -8 to 1×10 -6 mol.
Claim 15
Dependent Claim
25 words
A silver halide photographic light-sensitive material as in claim 1, wherein said light-sensitive material further contains a 1,2-dithiolane ring-containing compound or a 1,2-dithiane ring-containing compound.
Claim 16
Dependent Claim
68 words
A silver halide photographic light-sensitive material as in claim 14, wherein said 1,2-dithiolane ring-containing compound or 1,2-dithiane ring-containing compound represented by formula (V) ##STR24## wherein X 2 represents a divalent organic residue containing from 1 to 6 carbon atoms; R 6 represents a carboxylic acid, a carboxylic acid salt, a carboxylic ester, or a carboxylic acid amide; e represents 2 or 3; and f represents 0 or 1.
Claim 17
Dependent Claim
33 words
A silver halide photographic light-sensitive material as in claim 15, wherein compound of formula (V) is present in an amount of from 10 -6 to 10 -1 mol per mol of silver halide.
Claim 18
Dependent Claim
33 words
A silver halide photographic light-sensitive material as in claim 15, wherein compound of formula (V) is present in an amount of from 10 -5 to 10 -2 mol per mol of silver halide.
Claim 19
Dependent Claim
36 words
A silver halide photographic light-sensitive material as in claim 1, wherein the 95% or more silver halide grains on a number basis of said monodisperse silver halide emulsion fall within ±40% of the average grain size.
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) | 1991-03-08 | 1991-09-07 | 1992-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-08 | 1995-09-07 | 1996-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-08 | 1999-09-07 | 2000-03-08 | $7700.00 | Window Closed / Lapsed |