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US2554476A
Expired / Lapsed
US
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Radioactive product and method of producing the same
Assignee: Individual
•
Filing: 1949-01-25
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Granted: 1951-05-22
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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
2026-10-24 03:10
CPC Classifications
G; G21; G21G; G21G4/00; G21G4/04; C; C01; C01G; C01G35/00; C01G56/00; C01G56/001; C01G56/002
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
29 words
A RADIOACTIVE PRODUCT COMPRISING A HYDRATED PENTAVALENT TANTALUM OXIDE PRECIPITATE CARRYING AMERICIUM VALUES IN WHICH THE AMOUNT OF SAID AMERICIUM IS LESS THAN THE AMOUNT OF TANTALUM CONTAINED THEREIN.
Claim 2
Dependent Claim
29 words
A RADIOACTIVE PRODUCT COMPRISING A HYDRATED PENTAVALENT TANTALUM OXIDE PRECIPITATE CARRYING AMERICIUM VALUES IN WHICH THE AMOUNT OF SAID AMERICIUM IS LESS THAN THE AMOUNT OF TANTALUM CONTAINED THEREIN.
Claim 3
Dependent Claim
49 words
IN A PROCESS FOR THE PRODUCTION OF A RADIOACTIVE COMPOSITION CONTAINING TANTALUM AND AMERICIUM, THE STEPS COMPRISING MIXING A CARBONATE SOLUTION OF PENTAVALENT TANTALUM IONS WITH A SOLUTION CONTAINING PENTAVALENT AMERICIUM IONS, AND HEATING SAID SOLUTION TO PRECIPITATE TANTALUM AS A HYDRATED OXIDE THEREBY CARRYING AMERICIUM FROM THE SOLUTION.
Claim 4
Dependent Claim
49 words
IN A PROCESS FOR THE PRODUCTION OF A RADIOACTIVE COMPOSITION CONTAINING TANTALUM AND AMERICIUM, THE STEPS COMPRISING MIXING A CARBONATE SOLUTION OF PENTAVALENT TANTALUM IONS WITH A SOLUTION CONTAINING PENTAVALENT AMERICIUM IONS, AND HEATING SAID SOLUTION TO PRECIPITATE TANTALUM AS A HYDRATED OXIDE THEREBY CARRYING AMERICIUM FROM THE SOLUTION.
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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |