Patent US2982785A successfully refreshed from Google Patents.
US2982785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cesium recovery
Assignee: Individual
•
Filing: 1959-01-07
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Granted: 1961-05-02
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Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Mckenzie
- 👤 Wallace W Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:45
CPC Classifications
C; C01; C01D; C01D17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS OF SEPARATING CESIUM VALUES FROM AN AQUEOUS SOLUTION, COMPRISING ADDING A SODIUM TETRAPHENYL BORON SOLUTION IN HEXONE TO THE CESIUM SOLUTION WHEREBY CESIUM TETRAPHENYL BORON IS FORMED AND TAKEN UP IN A HEXONE PHASE, AND SEPARATING THE HEXONE PHASE FROM AN AQUEOUS RAFFINATE.
Claim 2
Dependent Claim
45 words
A PROCESS OF SEPARATING CESIUM VALUES FROM AN AQUEOUS SOLUTION, COMPRISING ADDING A SODIUM TETRAPHENYL BORON SOLUTION IN HEXONE TO THE CESIUM SOLUTION WHEREBY CESIUM TETRAPHENYL BORON IS FORMED AND TAKEN UP IN A HEXONE PHASE, AND SEPARATING THE HEXONE PHASE FROM AN AQUEOUS RAFFINATE.
References Cited (Backward Citations)
US2435314A
Cited
GB705719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |