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US4281060A
Expired / Lapsed
US
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Heat-developable photosensitive materials
Assignee: Fujifilm Holdings Corp
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Filing: 1980-06-27
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Granted: 1981-07-28
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Expires: 2000-06-27
Abstract
Abstract A heat-developable photosensitive material comprising a support having coated thereon at least on sensitive layer comprising (a) a binder and at least one of (b) an organic silver salt, (c) a photocatalyst, and (d) a reducing agent wherein said heat-developable photosensitive material additionally contains (e) a polyisocyanate and a process for preparing same are disclosed.
Inventors
- 👤 Toshimasa Usami
- 👤 Tomoyuki Kobayashi
- 👤 Sumitaka Tatsuta
- 👤 Shigeo Komine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:48
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/494; G03C1/498; G03C1/49872; Y; Y10; Y10S; Y10S430/00; Y10S430/155; Y10S430/162
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
51 words
In a heat-developable photosensitive material comprising a support having coated thereon at least one sensitive layer comprising (a) a binder and at least one of (b) an organic silver salt, (c) a photocatalyst, and (d) a reducing agent, the improvement which comprises said heat-developable photosensitive material additionally containing (e) a polyisocyanate.
Claim 2
Dependent Claim
51 words
In a heat-developable photosensitive material comprising a support having coated thereon at least one sensitive layer comprising (a) a binder and at least one of (b) an organic silver salt, (c) a photocatalyst, and (d) a reducing agent, the improvement which comprises said heat-developable photosensitive material additionally containing (e) a polyisocyanate.
Claim 3
Dependent Claim
18 words
The heat-developable photosensitive material according to claim 1, wherein said component (e) is contained in said sensitive layer.
Claim 4
Dependent Claim
26 words
The heat-developable photosensitive material according to claim 1, wherein said component (e) is contained in an undercoating layer provided between said sensitive layer and said support.
Claim 5
Dependent Claim
24 words
The heat-developable photosensitive material according to claim 1, wherein said component (e) is contained in a top coating layer provided on said sensitive layer.
Claim 6
Dependent Claim
25 words
The heat-developable photosensitive material according to claim 1, wherein said component (e) is selected from isocyanates having at least two isocyanate groups and adducts thereof.
Claim 7
Dependent Claim
34 words
The heat-developable photosensitive material according to claim 1, wherein said component (e) is present in an amount of about 0.01 to 50 parts based on 100 parts of the whole binders on the support.
Claim 8
Dependent Claim
31 words
The heat-developable photosensitive material according to claim 1, wherein the polyisocyanate of said component (e) is an adduct of isocyanates having at least two isocyanate groups and dihydric or trihydric alcohols.
Claim 9
Dependent Claim
13 words
The heat-developable photosensitive material of claim 1 wherein said binder is polyvinyl butyral.
Claim 10
Dependent Claim
21 words
The heat-developable photosensitive material of claim 3, wherein said undercoating layer is a layer of a vinylchloride or vinylidene chloride copolymer.
Claim 11
Dependent Claim
14 words
The heat-developable photosensitive material of claim 1, wherein said material additionally contains a toner.
Claim 12
Dependent Claim
85 words
In a process for preparing a heat-developable photosensitive material comprising a support having coated thereon at least one sensitive layer containing (a) a binder and at least one of (b) an organic silver salt, (c) a photocatalyst, and (d) a reducing agent, in which a photosensitive composition containing said components (a) to (d) and one or more compositions for one or more auxiliary layers are simultaneously coated upon said base, the improvement which comprises one of said compositions or said support containing (e) a polyisocyanate.
Claim 13
Dependent Claim
85 words
In a process for preparing a heat-developable photosensitive material comprising a support having coated thereon at least one sensitive layer containing (a) a binder and at least one of (b) an organic silver salt, (c) a photocatalyst, and (d) a reducing agent, in which a photosensitive composition containing said components (a) to (d) and one or more compositions for one or more auxiliary layers are simultaneously coated upon said base, the improvement which comprises one of said compositions or said support containing (e) a polyisocyanate.
Claim 14
Dependent Claim
18 words
The process of claim 11, wherein said component (e) is present in said composition for said sensitive layer.
Claim 15
Dependent Claim
26 words
The process of claim 11, wherein said auxiliary layer is an undercoating layer and said component (e) is present in the composition for said undercoating layer.
Claim 16
Dependent Claim
28 words
The process of claim 11, wherein said auxiliary layer is a top coating layer and said component (e) is present in the composition for said top coating layer.
Claim 17
Dependent Claim
46 words
The process of claim 11, wherein one of said auxiliary layers is a top coating layer and another of said auxiliary layers is an undercoating layer and said component (e) is present in the composition for said top coating layer and/or the composition for said undercoating.
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) | 1984-07-27 | 1985-01-26 | 1985-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-27 | 1989-01-26 | 1989-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-27 | 1993-01-26 | 1993-07-28 | $7700.00 | Window Closed / Lapsed |