Patent US3825418A successfully refreshed from Google Patents.
US3825418A
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Alloys for isolation of hydrogen
Assignee: United States Atomic Energy Commission
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Filing: 1973-01-30
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Granted: 1974-07-23
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Expires: 1993-01-30
Abstract
Abstract A GROUP OF ALLOYS CAPABLE OF REVERSIBLE ABSORPTION OF HYDROGEN IN THE PRESENCE OF CO AND CO2 HAVING THE CHEMICAL FORMULA OF LANIXCU5-X WHERE X IS ANY NUMBER FROM ABOVE ZERO TO LESS THAN FIVE. ALSO DISCLOSED ARE ALLOYS OF MISCHMETAL WITH EITHER NICKEL OR COPPER. THE HYDRIDES ARE ALSO DESCRIBED.
Inventors
- 👤 J Reilly
- 👤 R Wiswall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:07
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/06; H01M8/0606; H01M8/065; C; C01; C01B; C01B3/00; C01B3/0005; C01B3/001; C01B3/0018; C01B3/0031; C01B3/0047; C01B3/0057; C22; C22C; C22C19/00; C22C9/00; C22C9/06; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y02E60/50; Y10; Y10S; Y10S420/00; Y10S420/90
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |