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US4510388A
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Radiation image storage panel
Assignee: Fujifilm Holdings Corp
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Filing: 1982-10-18
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Granted: 1985-04-09
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Expires: 2002-10-18
Abstract
Abstract A radiation image storage panel comprising a substrate, a fluorescent layer provided on the substrate and composed of a binder and a stimulable phosphor dispersed therein, and a protective layer provided on the fluorescent layer. The panel is edge-reinforced by coating the edge faces thereof with a polymer material comprising polyurethane or acrylic resin.
Inventors
- 👤 Hisashi Yamazaki
- 👤 Takeji Ochiai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:20
CPC Classifications
G; G21; G21K; G21K4/00; G03; G03C; G03C5/00; G03C5/16; G03C5/17
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
54 words
A radiation image storage panel comprising a substrate, a fluorescent layer provided on said substrate and composed of a binder and a stimulable phosphor dispersed therein, and a protective layer provided on said fluorescent layer, characterized in that edge faces of said panel are coated with a polymer material comprising polyurethane or acrylic resin.
Claim 2
Dependent Claim
54 words
A radiation image storage panel comprising a substrate, a fluorescent layer provided on said substrate and composed of a binder and a stimulable phosphor dispersed therein, and a protective layer provided on said fluorescent layer, characterized in that edge faces of said panel are coated with a polymer material comprising polyurethane or acrylic resin.
Claim 3
Dependent Claim
19 words
A radiation image storage panel as defined in claim 1 wherein said polymer material consists solely of said polyurethane.
Claim 4
Dependent Claim
20 words
A radiation image storage panel as defined in claim 1 wherein said polymer material consists solely of said acrylic resin.
Claim 5
Dependent Claim
26 words
A radiation image storage panel as defined in claim 1 wherein said polymer material consists of said acrylic resin and vinyl chloride-vinyl acetate copolymer mixed therewith.
Claim 6
Dependent Claim
50 words
A radiation image storage panel as defined in claim 1 or 2 wherein said polyurethane is a polyaddition reaction product of diisocyanate with glycol represented by the general formula --CONH--R--NHCOO--R'--O--.sub.x wherein R and R' represent a divalent atomic group and x is an integral number satisfying the condition of 1<x<800.
Claim 7
Dependent Claim
51 words
A radiation image storage panel as defined in claim 1 or 2 wherein said polyurethane is a polycondensation reaction product of bischloroformate ester with diamine represented by the general formula ##STR8## wherein R and R' represent a divalent atomic group and x is an integral number satisfying the condition of 1<x<800.
Claim 8
Dependent Claim
50 words
A radiation image storage panel as defined in claim 1 or 2 wherein said polyurethane is a polycondensation reaction product of bisurethane with glycol represented by the general formula ##STR9## wherein R and R' represent a divalent atomic group and x is an integral number satisfying the condition of 1<x<800.
Claim 9
Dependent Claim
49 words
A radiation image storage panel as defined in claim 1 or 2 wherein said polyurethane is a polycondensation reaction product of biscarbamoyl chloride with glycol represented by the general formula ##STR10## wherein R represents a divalent atomic group and x is an integral number satisfying the condition of 1<x<800.
Claim 10
Dependent Claim
41 words
A radiation image storage panel as defined in claim 1 or 2 wherein said polyurethane is a heat polymerization reaction product of oxyacid azide represented by the general formula ##STR11## wherein x is an integral number satisfying the condition of 1<x<800.
Claim 11
Dependent Claim
50 words
A radiation image storage panel as defined in claim 1 or 2 wherein said polyurethane is a polycondensation reaction product of trichloroacetate of glycol with diamine represented by the general formula ##STR12## wherein R represents a divalent atomic group and x is an integral number satisfying the condition of 1<x<800.
Claim 12
Dependent Claim
20 words
A radiation image storage panel as defined in claim 1, 3 or 4 wherein said acrylic resin is polymethyl methacrylate.
References Cited (Backward Citations)
US3743833A
Cited
US4205116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-04-08 | 1988-10-08 | 1989-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-08 | 1992-10-08 | 1993-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-08 | 1996-10-08 | 1997-04-09 | $7700.00 | Window Closed / Lapsed |