US4916320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sample counting support with solid scintillator for use in scintillation counting
Assignee: Beckman Coulter Inc
•
Filing: 1987-08-24
•
Granted: 1990-04-10
•
Expires: 2007-08-24
Abstract
Abstract A sample counting support for scintillation counting of a radioactive labeled sample comprises a base material covered with a thin layer of dry solid scintillator in a substantially permanent form so that the support may receive the sample and produce light emissions in response to particules emitted by a radioactive substance labelling said sample.
Inventors
- 👤 Stephen W. Wunderly
- 👤 Joseph F. Quint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:29
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/204
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
102 words
A sample counting support for use in scintillation counting of a radioactively labeled sample, in a liquid scintillation counter, comprising a support material having a surface for receiving a solid scintillator compound, said solid scintillator compound being doped yttrium silicate and adhering to said support material and forming a layer of dry solid scintillator compound thereon, said layer being means for receiving and intimately contacting a sample having a material labeled with a radioactive isotope, said solid scintillator compound producing light events in response to particle emissions from the radioactive isotope for measurement by the liquid scintillator counter to analyze the sample.
Claim 2
Dependent Claim
102 words
A sample counting support for use in scintillation counting of a radioactively labeled sample, in a liquid scintillation counter, comprising a support material having a surface for receiving a solid scintillator compound, said solid scintillator compound being doped yttrium silicate and adhering to said support material and forming a layer of dry solid scintillator compound thereon, said layer being means for receiving and intimately contacting a sample having a material labeled with a radioactive isotope, said solid scintillator compound producing light events in response to particle emissions from the radioactive isotope for measurement by the liquid scintillator counter to analyze the sample.
Claim 3
Dependent Claim
15 words
The sample counting support of claim 1 wherein said support material is transparent to light.
Claim 4
Dependent Claim
15 words
The sample counting support of claim 1 wherein said support material is a filter material.
Claim 5
Dependent Claim
18 words
The sample counting support of claim 1 wherein the support material is not impregnated with the scintillating compound.
Claim 6
Dependent Claim
15 words
The sample counting support of claim 1 wherein the layer forms a substantially uniform surface.
Claim 7
Dependent Claim
101 words
A sample counting support for use in scintillation counting of a radioactively labeled sample, in a liquid scintillation counter, comprising a filter support material having a surface for receiving a solid scintillator inorganic compound, said solid scintillator inorganic compound adhering to said support material and forming a layer of dry solid scintillator inorganic compound thereon, said layer being means for receiving and intimately contacting a sample having a material labeled with a radioactive isotope, said solid scintillator compound producing light events in response to particle emissions from the radioactive isotope for measurement by the liquid scintillation counter to analyze the sample.
Claim 8
Dependent Claim
101 words
A sample counting support for use in scintillation counting of a radioactively labeled sample, in a liquid scintillation counter, comprising a filter support material having a surface for receiving a solid scintillator inorganic compound, said solid scintillator inorganic compound adhering to said support material and forming a layer of dry solid scintillator inorganic compound thereon, said layer being means for receiving and intimately contacting a sample having a material labeled with a radioactive isotope, said solid scintillator compound producing light events in response to particle emissions from the radioactive isotope for measurement by the liquid scintillation counter to analyze the sample.
Claim 9
Dependent Claim
37 words
The sample counting support of claim 6 wherein the compound is selectively one or more of calcium fluoride doped with europium; zinc sulfide doped with silver; yttrium silicate doped with cerium; or lithium glass doped with cerium.
Claim 10
Dependent Claim
15 words
The sample counting support of claim 6 wherein the layer forms a substantially uniform surface.
Claim 11
Dependent Claim
98 words
A sample counting support for use in scintillation counting of a radioactively labeled sample, in a liquid scintillation counter, comprising a support material having a surface for receiving a solid scintillator inorganic compound, said solid scintillator compound adhering to said support material and forming a layer of dry solid scintillator compound thereon, said layer being means for receiving and intimately contacting a sample having a material labeled with a radioactive isotope, said solid scintillator compound producing light events in response to particle emissions from the radioactive isotope for measurement by the liquid scintillation counter to analyze the sample.
Claim 12
Dependent Claim
98 words
A sample counting support for use in scintillation counting of a radioactively labeled sample, in a liquid scintillation counter, comprising a support material having a surface for receiving a solid scintillator inorganic compound, said solid scintillator compound adhering to said support material and forming a layer of dry solid scintillator compound thereon, said layer being means for receiving and intimately contacting a sample having a material labeled with a radioactive isotope, said solid scintillator compound producing light events in response to particle emissions from the radioactive isotope for measurement by the liquid scintillation counter to analyze the sample.
Claim 13
Dependent Claim
37 words
The sample counting support of claim 9 wherein the compound is selectively one or more of calcium fluoride doped with europium; zinc sulfide doped with silver; yttrium silicate doped with cerium; or lithium glass doped with cerium.
Claim 14
Dependent Claim
15 words
The sample counting support of claim 9 wherein said support material is transparent to light.
Claim 15
Dependent Claim
13 words
The sample counting support of claim 11 wherein said support material is glass.
Claim 16
Dependent Claim
13 words
The sample counting support of claim 11 wherein said support material is plastic.
Claim 17
Dependent Claim
15 words
A sample counting support of claim 9 wherein said support material is a fibrous material.
Claim 18
Dependent Claim
24 words
The sample counting support of claim 9 wherein said solid scintillator compound is bound to said support material through use of a binder material.
Claim 19
Dependent Claim
15 words
The sample counting support of claim 15 wherein said binder material is calcium sulfate anhydrate.
Claim 20
Dependent Claim
14 words
The sample counting support of claim 15 wherein said binder material is polyvinyl alcohol.
Claim 21
Dependent Claim
13 words
The sample counting support of claim 15 wherein said binder material is polyacrylamide.
Claim 22
Dependent Claim
15 words
The sample counting support of claim 9 wherein the layer forms a substantially uniform surface.
Claim 23
Dependent Claim
34 words
The sample counting support of claim 9 wherein said support material is a filter material and said filter material is constructed of plastic fibers, said plastic fibers selectively being polypropylene, PTFE, nylon, or polysulfone.
References Cited (Backward Citations)
CA827202A
Cited
GB901162A
Cited
US2985593A
Cited
US3134018A
Cited
US3010908A
Cited
FR1287232A
Cited
US3150101A
Cited
DE1241001B
Cited
US3356616A
Cited
US3418127A
Cited
US3491235A
Cited
US3542588A
Cited
US3513102A
Cited
US3457180A
Cited
US3418152A
Cited
US3928227A
Cited
GB1213332A
Cited
US3536914A
Cited
US3594217A
Cited
US3664839A
Cited
US3650976A
Cited
US3712827A
Cited
US3690832A
Cited
US3758412A
Cited
US3676360A
Cited
US3896138A
Cited
US4127499A
Cited
US4066908A
Cited
US4138336A
Cited
US4275300A
Cited
US4396528A
Cited
US4293436A
Cited
US4292272A
Cited
US4358401A
Cited
US4562158A
Cited
EP0127169A1
Cited
EP0127866A1
Cited
US4692266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-04-09 | 1993-10-09 | 1994-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-09 | 1997-10-09 | 1998-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-09 | 2001-10-09 | 2002-04-10 | $7700.00 | Window Closed / Lapsed |