US3382164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of cesium and strontium by electrodialysis
Assignee: United States Atomic Energy Commission
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Filing: 1965-01-26
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Granted: 1968-05-07
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Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 William H Webb
- 👤 Harry C Hershey
- 👤 Ronald D Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:30
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; C; C01; C01D; C01D17/00; B01D2311/00; B01D2311/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A METHOD FOR SEPARATING CESIUM VALUES FROM STRONTIUM VALUES IN A CONDUCTIVE AQUEOUS SOLUTION COMPRISING ADDING A CHELATING COMPOUND CAPABLE OF COMPLEXING ONE OF THESE ELEMENTS IN AN ION OF OPPOSITE SIGN FROM THAT IN WHICH IT WAS ORIGINALLY PRESENT, AND SUBJECTING THE SOLUTION TO ELECTRODIALYSIS.
Claim 2
Independent Claim
46 words
A METHOD FOR SEPARATING CESIUM VALUES FROM STRONTIUM VALUES IN A CONDUCTIVE AQUEOUS SOLUTION COMPRISING ADDING A CHELATING COMPOUND CAPABLE OF COMPLEXING ONE OF THESE ELEMENTS IN AN ION OF OPPOSITE SIGN FROM THAT IN WHICH IT WAS ORIGINALLY PRESENT, AND SUBJECTING THE SOLUTION TO ELECTRODIALYSIS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |