US2577097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for separation of americium from solutions containing the same
Assignee: Individual
•
Filing: 1949-01-25
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Granted: 1951-12-04
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Expires: 1969-01-25
Abstract
No abstract record available.
Inventors
- 👤 Louis B Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:19
CPC Classifications
C; C01; C01G; C01G56/00; C01G56/007; C01G56/009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A METHOD OF SEPARATING AMERICIUM VALUES FROM SOLUTIONS CONTAINING TRIVALENT AMERICIUM IONS TOGETHER WITH THE IONS OF IMPURITIES, THE STEPS COMPRISING OXIDIZING SAID SOLUTION WITH A HYPOCHLORITE TO CONVERT SAID AMERICIUM IONS TO THE PENTAVALENT STATE, THEREBY PROVIDING AMERICIUM IONS HAVING PRECIPITATION CHARACTERISTICS DIFFERING FROM THE SAME CHARACTERISTICS OF SAID IMPURITY IONS, THEN PRECIPITATING IN A CONCENTRATED CARBONATE SOLUTION SAID AMERICIUM IONS AWAY FROM AT LEAST SOME OF SAID IMPURITY IONS, AND SEPARATING SAID PRECIPITATED AMERICIUM FROM THE SOLUTIONS.
Claim 2
Dependent Claim
80 words
IN A METHOD OF SEPARATING AMERICIUM VALUES FROM SOLUTIONS CONTAINING TRIVALENT AMERICIUM IONS TOGETHER WITH THE IONS OF IMPURITIES, THE STEPS COMPRISING OXIDIZING SAID SOLUTION WITH A HYPOCHLORITE TO CONVERT SAID AMERICIUM IONS TO THE PENTAVALENT STATE, THEREBY PROVIDING AMERICIUM IONS HAVING PRECIPITATION CHARACTERISTICS DIFFERING FROM THE SAME CHARACTERISTICS OF SAID IMPURITY IONS, THEN PRECIPITATING IN A CONCENTRATED CARBONATE SOLUTION SAID AMERICIUM IONS AWAY FROM AT LEAST SOME OF SAID IMPURITY IONS, AND SEPARATING SAID PRECIPITATED AMERICIUM FROM THE SOLUTIONS.
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) | 1954-12-03 | 1955-06-04 | 1955-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-03 | 1959-06-04 | 1959-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-03 | 1963-06-04 | 1963-12-04 | $7700.00 | Window Closed / Lapsed |