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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
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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.

References Cited (Backward Citations)

CA493563A Cited
CA493562A Cited
US2733202A Cited
US2733200A Cited
US1448036A Cited
GB704602A Cited
US2776184A Cited
US2581863A Cited
US2781303A Cited
GB626882A Cited
US2743222A Cited
US2739934A Cited

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

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