Patent US2989457A successfully refreshed from Google Patents.
US2989457A
Expired / Lapsed
US
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Apparatus for the separation of isotopes
Assignee: Individual
•
Filing: 1957-04-03
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Granted: 1961-06-20
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Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Carel J Van Oss
- 👤 Norbert R Beyrard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:48
CPC Classifications
B; B01; B01D; B01D59/00; B01D59/38; B01D59/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN APPARATUS FOR SEPARATION OF SOLVATED ISOTOPIC IONS IN SOLUTION, SAID IONS BEING OF THE GROUP CONSISTING OF URANIUM IONS AND URANYL IONS, COMPRISING, AN ELONGATED MEMBRANOUS BAND OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF REGENERATED CELLULOSE AND COLLODION, SAID BAND HAVING INTERCOMMUNICATING PORES HAVING PORE SIZES WITH RELATIVE DIFFERENCES IN THE RANGE FROM BETWEEN 10 A. TO 20 A., THE AVERAGE SIZE OF WHICH IS SLIGHTLY LARGER THAN THE AVERAGE SIZE OF THE LARGEST OF SAID IONS TO BE SEPARATED, SAID BAND BEING IMPREGNATED WITH A CONDUCTIVE BUFFER SOLUTION, MEANS FOR MAINTAINING SAID IMPREGNATION, TWO ENERGIZED ELECTRODES OF OPPOSITE POLARITIES AT THE END OF SAID BAND AND CONDUCTIVELY CONNECTED THERETO, MEANS FOR PERIODICALLY FEEDING SMALL QUANTITIES OF SOLUTION CONTAINING SAID ISOTOPIC IONS TO THE END OF THE BAND ELECTRICALLY CONNECTED TO THE ELECTRODE HAVING THE SAME POLARITY OF SAID IONS, AND MEANS FOR PERIODICALLY EXTRACTING LIQUID FROM THE OTHER END OF THE BAND.
Claim 2
Independent Claim
156 words
AN APPARATUS FOR SEPARATION OF SOLVATED ISOTOPIC IONS IN SOLUTION, SAID IONS BEING OF THE GROUP CONSISTING OF URANIUM IONS AND URANYL IONS, COMPRISING, AN ELONGATED MEMBRANOUS BAND OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF REGENERATED CELLULOSE AND COLLODION, SAID BAND HAVING INTERCOMMUNICATING PORES HAVING PORE SIZES WITH RELATIVE DIFFERENCES IN THE RANGE FROM BETWEEN 10 A. TO 20 A., THE AVERAGE SIZE OF WHICH IS SLIGHTLY LARGER THAN THE AVERAGE SIZE OF THE LARGEST OF SAID IONS TO BE SEPARATED, SAID BAND BEING IMPREGNATED WITH A CONDUCTIVE BUFFER SOLUTION, MEANS FOR MAINTAINING SAID IMPREGNATION, TWO ENERGIZED ELECTRODES OF OPPOSITE POLARITIES AT THE END OF SAID BAND AND CONDUCTIVELY CONNECTED THERETO, MEANS FOR PERIODICALLY FEEDING SMALL QUANTITIES OF SOLUTION CONTAINING SAID ISOTOPIC IONS TO THE END OF THE BAND ELECTRICALLY CONNECTED TO THE ELECTRODE HAVING THE SAME POLARITY OF SAID IONS, AND MEANS FOR PERIODICALLY EXTRACTING LIQUID FROM THE OTHER END OF THE BAND.
References Cited (Backward Citations)
US2678300A
Cited
US2813064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |