Patent US3046211A successfully refreshed from Google Patents.
US3046211A
Expired / Lapsed
US
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Electrodialysing cells
Assignee: Permutit Co Ltd
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Filing: 1959-12-21
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Granted: 1962-07-24
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Tye Frank Laurence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:57
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; B01D61/46; B01D61/50; B01D61/427
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN AN ELECTRODIALYTIC CELL COMPRISING END ELECTRODES, A PLURALITY OF COMPARTMENTS BETWEEN THE ELECTRODES, EACH COMPARTMENT BEING BOUNDED ON ONE SIDE BY A MEMBRANE SELECTIVELY PERMEABLE TO IONS OF ONE SIGN AND ON THE OPPOSITE SIDE BY A MEMBRANE SELECTIVELY PERMEABLE TO IONS OF THE OTHER SIGN, AND PASSAGE-FORMING MEANS FOR THE FLOW OF ONE LIQUID THROUGH ALTERNATE COMPARTMENTS AND OF A SECOND LIQUID THROUGH THE REMAINING COMPARTMENTS, SAID MEANS DIVIDING EACH LIQUID INTO STEAMS FLOWING IN PARALLEL THROUGH THE COMPARTMENTS OF A PLURALITY OF GROUPS OF COMPARTMENTS AND IN SERIES THROUGH THE GROUPS, THE IMPROVEMENT WHICH COMPRISES THE PROVISION BETWEEN ADJACENT GROUPS OF A COMPARTMENT BOUNDED ON BOTH SIDES BY MEMBRANES SELECTIVE TO IONS OF THE SAME SIGN, CONNECTED IN PARALLEL WITH THE COMPARTMENTS OF ONE OF THE ADJACENT GROUPS AND CONNECTED TO RERECEIVE THE SAME STREAM AS THE ADJACENT COMPARTMENT OF THE OTHER OF THESE TWO GROUPS.
Claim 2
Dependent Claim
149 words
IN AN ELECTRODIALYTIC CELL COMPRISING END ELECTRODES, A PLURALITY OF COMPARTMENTS BETWEEN THE ELECTRODES, EACH COMPARTMENT BEING BOUNDED ON ONE SIDE BY A MEMBRANE SELECTIVELY PERMEABLE TO IONS OF ONE SIGN AND ON THE OPPOSITE SIDE BY A MEMBRANE SELECTIVELY PERMEABLE TO IONS OF THE OTHER SIGN, AND PASSAGE-FORMING MEANS FOR THE FLOW OF ONE LIQUID THROUGH ALTERNATE COMPARTMENTS AND OF A SECOND LIQUID THROUGH THE REMAINING COMPARTMENTS, SAID MEANS DIVIDING EACH LIQUID INTO STEAMS FLOWING IN PARALLEL THROUGH THE COMPARTMENTS OF A PLURALITY OF GROUPS OF COMPARTMENTS AND IN SERIES THROUGH THE GROUPS, THE IMPROVEMENT WHICH COMPRISES THE PROVISION BETWEEN ADJACENT GROUPS OF A COMPARTMENT BOUNDED ON BOTH SIDES BY MEMBRANES SELECTIVE TO IONS OF THE SAME SIGN, CONNECTED IN PARALLEL WITH THE COMPARTMENTS OF ONE OF THE ADJACENT GROUPS AND CONNECTED TO RERECEIVE THE SAME STREAM AS THE ADJACENT COMPARTMENT OF THE OTHER OF THESE TWO GROUPS.
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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |