US3650779A
Expired / Lapsed
US
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Fluoride glasses containing xenon
Assignee: Corning Glass Works
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Filing: 1969-02-24
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Granted: 1972-03-21
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Expires: 1989-02-24
Abstract
Abstract This invention relates to the production of low melting fluoride glasses containing oxidized xenon and, more particularly, to the production of fluoroberyllate glasses containing Xe(VI).
Inventors
- 👤 Eugene F Riebling
- 👤 Paul E Blaszyk
- 👤 Dennis W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:13
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/32; C03C3/325; C03C3/326; Y; Y10; Y10S; Y10S501/00; Y10S501/90
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
39 words
An alkali fluoroberyllate glass according to claim 1 having a base glass composition selected from the group consisting of RbF-BeF2, CsF-BeF2, CsF-RbF-BeF2, CsF-AlF3-BeF2, CaF2-AlF3-CsF-BeF2, CsF-CaF2-BeF2, and RF and/or RHF2-TlF and/or TlHF2-BF2 wherein R consists of Li and/or Na .
Claim 2
Dependent Claim
112 words
An alkali fluoroberyllate glass according to claim 2 wherein said base glass is selected from the group of compositions consisting essentially of 20-40 mole percent RbF and 60-80 mole percent BeF2; 20-40 mole percent CsF and 60-80 mole percent BeF2; 10-20 mole percent RbF and/or CsF and 80-90 mole percent BeF2; 10-50 mole pErcent CsF, 5-15 mole percent AlF3, and 40-80 mole percent BeF2; 5-15 mole percent CaF2, 5-15 mole percent AlF3, 10-40 mole percent CsF, and 40-80 mole percent BeF2; 20-40 mole percent CsF, 5-15 mole percent CaF2, and 50-80 mole percent BeF2; and 15-35 mole percent RF and/or RHF2, 15-30 mole percent TlF and/or TlHF2, and 45-70 mole percent BeF2.
Claim 3
Dependent Claim
18 words
An alkali fluoroberyllate glass according to claim 3 containing up to about 10 percent by weight of XeF6.
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) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |