US4920040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide photographic light-sensitive material for a laser light exposure
Assignee: Konica Minolta Inc
•
Filing: 1988-12-01
•
Granted: 1990-04-24
•
Expires: 2008-12-01
Abstract
Abstract A silver halide light-sensitive photographic material for a laser light exposure is disclosed. The material comprises a support having thereon at least one light-sensitive silver halide emulsion layer containing silver halide grains therein and a layer adjacent thereto, wherein said silver halide grains are spectrally sensitized with a dye represented by the following formula I, at least one layer of said silver halide emulsion layer and said adjacent layer contains a fluorine-containing ionic surfactant, a non-ionic surfactant and an inorganic salt; ##STR1## The material of the invention excels in each of sensitivity, gradation and maximum density, and exhibits good coloration.
Inventors
- 👤 Kouzi Ono
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:42
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/26; G03C1/38; Y; Y10; Y10S; Y10S430/00; Y10S430/146
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
223 words
A silver halide light-sensitive photographic material for a laser light exposure, comprising: a support having thereon at least one light-sensitive silver halide emulsion layer containing silver halide grains; and a layer adjacent to said at least one light-sensitive silver halide emulsion layer, wherein said silver halide grains are spectrally sensitized with a dye represented by formula I and at least one layer of said at least one silver halide emulsion layer and said adjacent layer contains a fluorine-containing ionic surfactant, a non-ionic surfactant and an inorganic salt, wherein said inorganic salt is a halide, a phosphate or a thyocyanate of alkali metal, alkali earth metal or ammonium; wherein Z 1 and Z 2 independently represent an atomic group needed for completing a five- or six-membered nitrogen-containing heterocycle; R 1 and R 2 independently represent a saturated or unsaturated aliphatic group; Q 1 and Q 2 independently represent an atomic group needed for completing a 4-thiazolidinone, a 4-oxazolidinone, a 4-imidazolidinone, a 5-thiazolidinone, a 5-oxazolidinone or a 5-imidazolidinone ring; L 1 , L 2 and L 3 independently represent a methin group or a substituted methin group ##STR34## wherein R 3 represents a methyl group, an ethyl group, an ethoxy group or an aryl group; X represents an inorganic or organic acid anion; and m and n independently represent an integer of 0 to 3.
Claim 2
Dependent Claim
223 words
A silver halide light-sensitive photographic material for a laser light exposure, comprising: a support having thereon at least one light-sensitive silver halide emulsion layer containing silver halide grains; and a layer adjacent to said at least one light-sensitive silver halide emulsion layer, wherein said silver halide grains are spectrally sensitized with a dye represented by formula I and at least one layer of said at least one silver halide emulsion layer and said adjacent layer contains a fluorine-containing ionic surfactant, a non-ionic surfactant and an inorganic salt, wherein said inorganic salt is a halide, a phosphate or a thyocyanate of alkali metal, alkali earth metal or ammonium; wherein Z 1 and Z 2 independently represent an atomic group needed for completing a five- or six-membered nitrogen-containing heterocycle; R 1 and R 2 independently represent a saturated or unsaturated aliphatic group; Q 1 and Q 2 independently represent an atomic group needed for completing a 4-thiazolidinone, a 4-oxazolidinone, a 4-imidazolidinone, a 5-thiazolidinone, a 5-oxazolidinone or a 5-imidazolidinone ring; L 1 , L 2 and L 3 independently represent a methin group or a substituted methin group ##STR34## wherein R 3 represents a methyl group, an ethyl group, an ethoxy group or an aryl group; X represents an inorganic or organic acid anion; and m and n independently represent an integer of 0 to 3.
Claim 3
Dependent Claim
36 words
The silver halide light-sensitive photographic material of claim 1, wherein said material contains a multivavalent alcohol which has at least two hydoroxyl groups in the molecular structure and a melting point not less than 40° C.
Claim 4
Dependent Claim
30 words
The silver halide light-sensitive photographic material of claim 2, wherein the content of said multivalent alcohol is whithin the range of 5 to 10 g per mole of silver halide.
Claim 5
Dependent Claim
43 words
The silver halide light-sensitive photographic material of claim 1, wherein said material contains a condensation product of a compound represented by the formula V below and an aldehyde; ##STR35## wherein R 4 represents a hydrogen atom, an alkyl group or a cycloalkyl group.
Claim 6
Dependent Claim
30 words
The silver halide light-sensitive photographic material of claim 4, wherein the content of said condensation product is whithin the range of 0.03 to 1.3 g per mole of silver halide.
Claim 7
Dependent Claim
17 words
The silver halide light-sensitive photographic material of claim 1, wherein the silver halide is a silver iodobromide.
Claim 8
Dependent Claim
22 words
The silver halide light-sensitive photographic material of claim 6, wherein said silver halide contains 0.5 to 10 mole % of silver iodide.
Claim 9
Dependent Claim
39 words
The silver halide light-sensitive photographic material of claim 1, wherein at least 80% of total number of silver halide grains present in said silver halide emulsion layer has a grain size whithin the range of 0.1 to 1.2 μm.
Claim 10
Dependent Claim
39 words
The silver halide light-sensitive photographic material of claim 1, wherein at least 80% of total number of silver halide grains present in said silver halide emulsion layer has a grain size whithin the range of 0.2 to 0.7 μm.
Claim 11
Independent Claim
239 words
A method of exposing a silver halide light-sensitive photographic material, comprising a step of imagewise exposing with a laser light a silver halide light-sensitive material comprising: a support having thereon at least one light-sensitive silver halide emulsion layer containing silver halide grains; and a layer adjacent to said at least one light sensitive silver halide emulsion layer, wherein said silver halide grains are spectrally sensitized with a dye represented by formula I and at least one layer of said at least one silver halide emulsion layer and said adjacent layer contains a fluorine-containing ionic surfactant, a non-ionic surfactant and an inorganic salt, wherein said inorganic salt is a halide, a phosphate or a thyocyanate of alkali metal, alkali earth metal or ammonium; ##STR36## wherein Z 1 and Z 2 independently represent an atomic group needed for completing a five- or six-membered nitrogen-containing heterocycle; R 1 and R 2 independently represent a saturated or unsaturated aliphatic group; Q 1 and Q 2 independently represent an atomic group needed for completing a 4-thiazolidinone, a 4-oxazolidinone, a 4-imidazolidinone, a 5-thiazolidinone, a 5-oxazolidinone or a 5-imidazolidinone ring; L 1 , L 2 and L 3 independently represent a methin group or a substituted methin group ##STR37## wherein R 3 represents a methyl group, an ethyl group, an ethoxy group or an aryl group; X represents an inorganic or organic acid anion; and m and n independently represent an integer of 0 to 3.
Claim 12
Independent Claim
239 words
A method of exposing a silver halide light-sensitive photographic material, comprising a step of imagewise exposing with a laser light a silver halide light-sensitive material comprising: a support having thereon at least one light-sensitive silver halide emulsion layer containing silver halide grains; and a layer adjacent to said at least one light sensitive silver halide emulsion layer, wherein said silver halide grains are spectrally sensitized with a dye represented by formula I and at least one layer of said at least one silver halide emulsion layer and said adjacent layer contains a fluorine-containing ionic surfactant, a non-ionic surfactant and an inorganic salt, wherein said inorganic salt is a halide, a phosphate or a thyocyanate of alkali metal, alkali earth metal or ammonium; ##STR36## wherein Z 1 and Z 2 independently represent an atomic group needed for completing a five- or six-membered nitrogen-containing heterocycle; R 1 and R 2 independently represent a saturated or unsaturated aliphatic group; Q 1 and Q 2 independently represent an atomic group needed for completing a 4-thiazolidinone, a 4-oxazolidinone, a 4-imidazolidinone, a 5-thiazolidinone, a 5-oxazolidinone or a 5-imidazolidinone ring; L 1 , L 2 and L 3 independently represent a methin group or a substituted methin group ##STR37## wherein R 3 represents a methyl group, an ethyl group, an ethoxy group or an aryl group; X represents an inorganic or organic acid anion; and m and n independently represent an integer of 0 to 3.
References Cited (Backward Citations)
US4212672A
Cited
JPS6285240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-04-23 | 1993-10-23 | 1994-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-23 | 1997-10-23 | 1998-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-23 | 2001-10-23 | 2002-04-24 | $7700.00 | Window Closed / Lapsed |