Patent US3793435A successfully refreshed from Google Patents.
US3793435A
Expired / Lapsed
US
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Separation of hydrogen from other gases
Assignee: United States Atomic Energy Commission
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Filing: 1972-05-10
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Granted: 1974-02-19
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Expires: 1992-05-10
Abstract
Abstract A METHOD OF ABSORBING HYDROGEN IN THE PRESENCE OF CO2, WHEREBY AN ALLOY OF THE APPROXIMATE COMPOSITION LANN5 IS EMPLOYED; AND, IN THE PRESENCE OF CO, COPPER REPLACES SOME OT HE NICKEL IN SUCH AN ALLOY.
Inventors
- 👤 J Reilly
- 👤 R Wiswall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:13
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/50; C01B3/508; H; H01; H01M; H01M8/00; H01M8/06; H01M8/0606; H01M8/065; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |