US3746510A
Expired / Lapsed
US
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Method of separating carbon from alkali and alkali earth metals
Assignee: Interatom Internationale Atomreaktorbau GmbH
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Filing: 1971-06-30
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Granted: 1973-07-17
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Expires: 1991-06-30
Abstract
Abstract A METHOD OF SEPARATING CARBON FROM ALKALI AND ALKALI EARTH METALS. THIS METHOD IS PARTICULARLY SUITABLE FOR DETECTING AND MEASURING CARBON ACTIVITY IN THE METAL. THE METHOD COMPRISES PASSING A HYDROGEN CONTAINING GAS THROUGH A LIQUID ALKALI OR ALKALI EARTH METAL AND THERE- AFTER SEPARATING THE METHANE WHICH RESULTS FROM THE REACTION OF HYDROGEN WITH THE CARBON IN THE LIQUID METAL.
Inventors
- 👤 J Jung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:58
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/28; G21C19/30; G21C19/307; G21C19/31; G01; G01N; G01N33/00; G01N33/20; G01N33/202; G01N33/2022; G01N33/2025; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T436/00; Y10T436/23
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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |