US2832727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic precipitation of uranium from the ion exchange eluates
Assignee: Individual
•
Filing: 1954-04-07
•
Granted: 1958-04-29
•
Expires: 1974-04-07
Abstract
No abstract record available.
Inventors
- 👤 Kunin Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:27
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A PROCESS FOR THE ISOLATION OF URANIUM COMPOUNDS, WHICH COMPRISES PASSING A DIRECT ELECTRI CURRENT THROUGH AN ELECTROLYTE CELL COMPRISING A CATHODE COMPARTMENT HAVING THEREIN AN ACIDIC AQUEOUS SOLUTION WHICH IS MADE UP OF (A) A MINERAL ACIF FROM THE CLASS CONSISTING OF HYDROCHLORIC ACID, NITRIC ACID AND SULFURIC ACID AND (B) AN ALKALI METAL SALT OF SAID MINERAL ACID AND (C) A URANYL SALT OF SAID MINERAL ACID, AND AN ANODE COMPARTMENT HAVING THEREIN AN ACIDIC AQUEOUS SOLUTION WHICH IS MADE UP OF AN ALKALI METAL SALT OF A MINERAL ACID FROM THE CLASS CONSISTING OF HYDROCHLORIC ACID, NITRIC ACID AND SULFURIC ACID, SAID CATHODE AND ANODE COMPARTMENTS BEING SEPERATED BY A PERMESELECTIVE MEMBRANE WHICH CONTAINS AN ION EXCHANGE RESIN, CONTINUING THE PASSAGE OF CURRENT UNTIL THE HYDRATED URANIUM OXIDE HAS PRECIPITATED AND THEREAFTER SEPARATING SAID PRECIPITATED URANIUM COMPOUND FROM SAID CATHOLYTE.
Claim 2
Dependent Claim
143 words
A PROCESS FOR THE ISOLATION OF URANIUM COMPOUNDS, WHICH COMPRISES PASSING A DIRECT ELECTRI CURRENT THROUGH AN ELECTROLYTE CELL COMPRISING A CATHODE COMPARTMENT HAVING THEREIN AN ACIDIC AQUEOUS SOLUTION WHICH IS MADE UP OF (A) A MINERAL ACIF FROM THE CLASS CONSISTING OF HYDROCHLORIC ACID, NITRIC ACID AND SULFURIC ACID AND (B) AN ALKALI METAL SALT OF SAID MINERAL ACID AND (C) A URANYL SALT OF SAID MINERAL ACID, AND AN ANODE COMPARTMENT HAVING THEREIN AN ACIDIC AQUEOUS SOLUTION WHICH IS MADE UP OF AN ALKALI METAL SALT OF A MINERAL ACID FROM THE CLASS CONSISTING OF HYDROCHLORIC ACID, NITRIC ACID AND SULFURIC ACID, SAID CATHODE AND ANODE COMPARTMENTS BEING SEPERATED BY A PERMESELECTIVE MEMBRANE WHICH CONTAINS AN ION EXCHANGE RESIN, CONTINUING THE PASSAGE OF CURRENT UNTIL THE HYDRATED URANIUM OXIDE HAS PRECIPITATED AND THEREAFTER SEPARATING SAID PRECIPITATED URANIUM COMPOUND FROM SAID CATHOLYTE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |