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US3296111A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for treating ionic liquids

Assignee: DEIONALL Corp
•
Filing: 1965-10-07
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Granted: 1967-01-03
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Expires: 1985-10-07
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Abstract

No abstract record available.

Inventors

  • 👤 Omer E Miller
  • 👤 Frank J Wolf

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:38
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; B01D61/46; B01D61/48

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 87 words
THE METHOD OF TREATING AN IONIC LIQUID TO ALTER ITS ION CONTENT, COMPRISING: PASSING SAID LIQUID SEQUENTIALLY THROUGH A PLURALITY OF ALTERNATELY DISPOSED BEDS OF ANION AND CATION EXCHANGE RESIN MATERIALS CONTAINED BETWEEN A PAIR OF ION-PERMEABLE WALLS DISPOSED BETWEEN ELECTRODE COMPARTMENTS CONTAINING AN ANODE AND A CATHODE RESPECTIVELY, SAID ANION EXCHANGE RESIN BEDS CONTACTING ONLY THAT ION-PERMEABLE WALL NEAREST THE ANODE COMPARTMENT AND EXTENDING SUBSTANTIALLY TO BUT TERMINATING SHORT OF THE ION-PERMEABLE WALL NEAREST THE CATHODE COMPARTMENT, AND SAID CATION EXCHANGE RESIN BEDS CONTACTING ONLY THAT

References Cited (Backward Citations)

US2763607A Cited
US2788319A Cited
US2980598A Cited
US2923674A Cited
US3074864A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-02 1970-07-04 1971-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-02 1974-07-04 1975-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-02 1978-07-04 1979-01-03 $7700.00 Window Closed / Lapsed

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