Patent US2840451A successfully refreshed from Google Patents.
US2840451A
Expired / Lapsed
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Separation of inorganic salts from organic solutions
Assignee: Individual
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Filing: 1951-09-20
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Granted: 1958-06-24
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Expires: 1971-09-20
Abstract
No abstract record available.
Inventors
- 👤 Leonard I Katzin
- 👤 James C Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:44
CPC Classifications
B; B01; B01J; B01J41/00; B01J41/04; B01J41/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE PROCESS OF RECOVERING NONIONIZED SALTS SELECTED FROM THE GROUP CONSISTING OF URANYL NITRATE, PLUTONIUM NITRATE AND A MIXTURE OF URANYL NITRATE AND PLUTONIUM NITRATE FROM SOLUTIONS IN AN ORGANIC OXYGEN-CONTAINING SOLVENT SELECTED FROM THE GROUP CONSISTING OF KETONES, ALCOHOLS AND ETHERS, CONSISTING OF CONTACTING SAID SOLUTIONS WITH A STRONG-BASE QUATERNARY AMMONIUM TYPE ANION EXCHANGE RESIN WHEREBY SORPTION OF THE SALT ON THE RESIN TAKES PLACE, AND SEPARATING THE RESIN FROM A SALT-DEPLETED LIQUID.
Claim 2
Dependent Claim
74 words
THE PROCESS OF RECOVERING NONIONIZED SALTS SELECTED FROM THE GROUP CONSISTING OF URANYL NITRATE, PLUTONIUM NITRATE AND A MIXTURE OF URANYL NITRATE AND PLUTONIUM NITRATE FROM SOLUTIONS IN AN ORGANIC OXYGEN-CONTAINING SOLVENT SELECTED FROM THE GROUP CONSISTING OF KETONES, ALCOHOLS AND ETHERS, CONSISTING OF CONTACTING SAID SOLUTIONS WITH A STRONG-BASE QUATERNARY AMMONIUM TYPE ANION EXCHANGE RESIN WHEREBY SORPTION OF THE SALT ON THE RESIN TAKES PLACE, AND SEPARATING THE RESIN FROM A SALT-DEPLETED LIQUID.
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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |