EP0234385B1
Expired / Lapsed
EP
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Radiation image storage panel
Assignee: Fujifilm Holdings Corp
•
Filing: 1987-02-09
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Granted: 1991-09-11
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Expires: 2007-02-09
Abstract
No abstract record available.
Inventors
- 👤 Katsuhiro C/O Fuji Photo Film Co. Ltd. Kohda
- 👤 Kenji C/O Fuji Photo Film Co. Ltd. Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 03:43
CPC Classifications
G; G21; G21K; G21K4/00; C; C09; C09K; C09K11/00; C09K11/02; C09K11/025
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
92 words
A radiation image storage panel comprising a support and a phosphor layer provided on the support which comprises a binder and a stimulable phosphor dispersed therein, characterized in that said stimulable phosphor is a phosphor selected from the group consisting of divalent europium activated alkaline earth metal fluorohalide phosphors containing iodine and bismuth activated alkali metal halide phosphors containing iodine and that said phosphor layer contains a compound having an epoxy group and/or at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids.
Claim 2
Dependent Claim
36 words
The radiation image storage panel of claim 1, in which said compound having an epoxy group is contained in the phosphor layer in an amount of 0.001 - 10 % by weight of the stimulable phosphor.
Claim 3
Dependent Claim
36 words
The radiation image storage panel of claim 2, in which said compound having an epoxy group is contained in the phosphor layer in an amount of 0.03 - 3 % by weight of the stimulable phosphor.
Claim 4
Dependent Claim
33 words
The radiation image storage panel of claim 1, in which said compound having an epoxy group is at least one compound selected from the group consisting of 1,2-epoxypropane, 1,2-epoxybutane and an epoxy resin.
Claim 5
Dependent Claim
50 words
The radiation image storage panel of claim 1, in which said at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids is contained in the phosphor layer in an amount of 0.0001 - 3 % by weight of the stimulable phosphor.
Claim 6
Dependent Claim
50 words
The radiation image storage panel of claim 5, in which said at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids is contained in the phosphor layer in an amount of 0.003 - 0.3 % by weight of the stimulable phosphor.
Claim 7
Dependent Claim
80 words
The radiation image storage panel of claim 1, in which said phosphites are compounds having the formula (I) or (II): in which A is an oxygen atom or a sulfur atom; each of R¹, R², R³ and R₄ is a hydrogen atom, an alkyl group or an aryl group, and R¹, R², R³ and R⁴ are the same or different from each other; and X¹ is a group comprising a carbon atom and/or an oxygen atom and/or a hydrogen atom.
Claim 8
Dependent Claim
114 words
The radiation image storage panel of claim 1, in which said organotin compounds are compounds having the formula (III): in which each of R⁵ and R⁶ is a hydrogen atom, an alkyl group or an aryl group, and R⁵ and R⁶ are the same or different from each other; each of Y¹, Y², Y³ and Y⁴ is an alkyl group, an aryl group, a fatty acid, a fatty acid derivative, mercaptan or a mercaptan carboxylic acid, and Y¹, Y², Y³ and Y⁴ are the same or different from each other; X² is an oxygen atom, a sulfur atom or a maleic acid; and n is 0 or an integer of not less than 1.
Claim 9
Dependent Claim
63 words
The radiation image storage panel of claim 1, in which said metal salts of organic acids are compounds having the formula (IV): (R⁷COO) m M (IV) in which R⁷ is an alkyl group or an aryl group having 1 - 20 carbon atoms, which may have at least one substituent; M is calcium, zinc, cadmium or barium; and m is a positive integer.
Claim 10
Dependent Claim
57 words
The radiation image storage panel of claim 1, in which said panel comprises a support, a light-reflecting layer containing a light-reflecting material and a phosphor layer, and said light-reflecting layer contains a compound having an epoxy group and/or at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids.
Claim 11
Dependent Claim
36 words
The radiation image storage panel of claim 10, in which said compound having an epoxy group is contained in the light-reflecting layer in an amount of 0.001 - 10 % by weight of the light-reflecting material.
Claim 12
Dependent Claim
50 words
The radiation image storage panel of claim 11, in which said at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids is contained in the light-reflecting layer in an amount of 0.001 - 3 % by weight of the light-reflecting material.
Claim 13
Dependent Claim
56 words
The radiation image storage panel of claim 1, in which said panel comprises a support, a subbing layer comprising a resin and a phosphor layer, and said subbing layer contains a compound having an epoxy group and/or at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids.
Claim 14
Dependent Claim
35 words
The radiation image storage panel of claim 13, in which said compound having an epoxy group is contained in the subbing layer in an amount of 0.03 - 100 % by weight of the resin.
Claim 15
Dependent Claim
49 words
The radiation image storage panel of claim 13, in which said at least one compound selected from the group consisting of phosphites, organotin compound and metal salts of organic acids is contained in the subbing layer in an amount of 0.003 - 30 % by weight of the resin.
Claim 16
Dependent Claim
57 words
The radiation image storage panel of claim 1, in which said panel comprises a support, a phosphor layer and a protective film comprising a polymer material, and said protective film contains a compound having an epoxy group and/or at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids.
Claim 17
Dependent Claim
36 words
The radiation image storage panel of claim 16, in which said compound having an epoxy group is contained in the protective film in an amount of 0.03 - 100 % by weight of the polymer material.
Claim 18
Dependent Claim
50 words
The radiation image storage panel of claim 16, in which said at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids is contained in the protective film in an amount of 0.003 - 30 % by weight of the polymer material.
Claim 19
Dependent Claim
60 words
The radiation image storage panel of claim 1, in which said panel comprises a support, a phosphor layer, an adhesive layer comprising a adhesive agent and a protective film, and said adhesive layer contains a compound having an epoxy group and/or at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts or organic acids.
Claim 20
Dependent Claim
36 words
The radiation image storage panel of claim 19, in which said compound having an epoxy group is contained in the adhesive layer in an amount of 0.03 - 100 % by weight of the adhesive agent.
Claim 21
Dependent Claim
50 words
The radiation image storage panel of claim 19, in which said at least one compound selected from the group consisting of phosphosites, organotin compounds and metal salts of organic acids is contained in the adhesive layer in an amount of 0.003 - 30 % by weight of the adhesive agent.
Claim 22
Dependent Claim
53 words
The radiation image storage panel of claim 1, in which the side surface of said panel are covered with a polymer material and said polymer material contains a compound having an epoxy group and/or at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids.
Claim 23
Dependent Claim
36 words
The radiation image storage panel of claim 22, in which said compound having an epoxy group is contained in the polymer material in an amount of 0.1 - 100 % by weight of the polymer material.
Claim 24
Dependent Claim
50 words
The radiation image storage panel of claim 22, in which said at least one compound selected from the group consisting of phosphites, organotin compounds and metal salts of organic acids is contained in the polymer material in an amount of 0.01 - 10 % by weight of the polymer material.
References Cited (Backward Citations)
No citation records indexed.
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