Patent US3022134A successfully refreshed from Google Patents.
US3022134A
Expired / Lapsed
US
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Separation of curium and americium
Assignee: Individual
•
Filing: 1960-08-31
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Granted: 1962-02-20
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Paul R Fields
- 👤 Nadine M Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:37
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0295; C01; C01G; C01G56/00; C01G56/001; C01G99/00; C01G99/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PROCESS OF SEPARATING CURIUM AND AMERICIUM VALUES, COMPRISING CONTACTING AT ABOUT 150*C. AN ANHYDROUS MOLTEN SALT MEDIUM HAVING A MELTING POINT BELOW ABOUT 150* C. AND AN ALKYL PHOSPHATE MEDIUM, SAID LATTER
Claim 2
Dependent Claim
33 words
A PROCESS OF SEPARATING CURIUM AND AMERICIUM VALUES, COMPRISING CONTACTING AT ABOUT 150*C. AN ANHYDROUS MOLTEN SALT MEDIUM HAVING A MELTING POINT BELOW ABOUT 150* C. AND AN ALKYL PHOSPHATE MEDIUM, SAID LATTER
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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |