Patent US592891A successfully refreshed from Google Patents.
Patent US5100587A successfully refreshed from Google Patents.
US5100587A
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US
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Solid-state radioluminescent zeolite-containing composition and light sources
Assignee: United States Department of Energy
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Filing: 1990-12-27
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Granted: 1992-03-31
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Expires: 2010-12-27
Abstract
Abstract A new type of RL light source consisting of a zeolite crystalline material, the intralattice spaces of which a tritiated compound and a luminophore are sorbed, and which material is optionally further dispersed in a refractive index-matched polymer matrix.
Inventors
- 👤 Roger L. Clough
- 👤 John T. Gill
- 👤 Daniel B. Hawkins
- 👤 Clifford L. Renschler
- 👤 Timothy J. Shepodd
- 👤 Henry M. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:04
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06; C09K11/04; Y; Y10; Y10S; Y10S423/00; Y10S423/07
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
40 words
A solid state radioluminescent composition or light source, comprising: an optically clear polymer matrix, having a crystalline zeolite material, into the crystalline intralattice spaces thereof which have been sorbed at least one tritium containing compound and at least one luminophore.
Claim 2
Dependent Claim
40 words
A solid state radioluminescent composition or light source, comprising: an optically clear polymer matrix, having a crystalline zeolite material, into the crystalline intralattice spaces thereof which have been sorbed at least one tritium containing compound and at least one luminophore.
Claim 3
Dependent Claim
28 words
A solid state radioluminescent composition or light source, comprising a crystalline zeolite material having at least one tritium-containing compound and at least one luminophore occupying its intralattice spaces.
Claim 4
Dependent Claim
28 words
A solid state radioluminescent composition or light source, comprising a crystalline zeolite material having at least one tritium-containing compound and at least one luminophore occupying its intralattice spaces.
Claim 5
Dependent Claim
78 words
The light source of claim 2, wherein (a) the tritium-containing compound is selected from the group consisting of T + , T 2 O, CT 4 , NT 3 , NT 4 + , and trittiated organics and tritiated organometallics capable of being loaded in the zeolite lattice spaces, and (b) the luminophore is selected from the group consisting of rare metal ions, copper ions, and luminescent organic compounds capable of being sorbed in the zeolite lattice spaces.
Claim 6
Dependent Claim
25 words
The light source of claim 2, wherein tritium-exchanged 3-hydroxyflavone occupies the intralattice spaces, said flavone being a molecule which contains tritium and is a luminophore.
Claim 7
Dependent Claim
23 words
The light source of claim 3, wherein the luminophore is selected from the group consisting of ions of europium, terbium, neodymium, and copper.
Claim 8
Dependent Claim
42 words
The light source of claim 2, wherein the composition is present within an organic or silica polymer matrix, in which matrix the zeolite is insoluble but which matrix possesses a refractive index within 0.05 units of that of the crystalline zeolite material.
Claim 9
Dependent Claim
21 words
The light source of claim 2, wherein the crystalline zeolite material consists of large crystallites with dimensions greater than 1 mm.
Claim 10
Dependent Claim
24 words
The light source of claim 6, wherein the matrix is an organic polymer and the composition is present within a solvent for coating applications.
Claim 11
Dependent Claim
19 words
The light source of claim 6, wherein the matrix consists of two-part organic thermosetting polymer precursors for coating applications.
References Cited (Backward Citations)
US3238139A
Cited
US3325420A
Cited
US3886082A
Cited
US3935119A
Cited
US3787238A
Cited
US4441049A
Cited
US4208611A
Cited
US4316817A
Cited
US4292107A
Cited
US4666692A
Cited
US4272300A
Cited
US4563297A
Cited
US4562158A
Cited
US4508636A
Cited
US4588698A
Cited
US4604525A
Cited
US4594179A
Cited
US4681747A
Cited
US4902579A
Cited
US4751148A
Cited
US4935632A
Cited
US4798768A
Cited
US4889660A
Cited
US4867905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-03-31 | 1995-09-30 | 1996-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-03-31 | 1999-09-30 | 2000-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-03-31 | 2003-09-30 | 2004-03-31 | $7700.00 | Window Closed / Lapsed |