Patent US3296111A successfully refreshed from Google Patents.
US3296111A
Expired / Lapsed
US
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Method for treating ionic liquids
Assignee: DEIONALL Corp
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Filing: 1965-10-07
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Granted: 1967-01-03
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Expires: 1985-10-07
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)
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 |