US3124522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodialysis processes and electro-dialysis cells
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:40
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; B01D61/46; B01D61/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN ELECTRODIALYSIS APPARATUS COMPRISING A PLURALITY OF JUXTAPOSED MULTI-MEMBRANED GROUPS COMPRISED OF A PLURALITY OF PARALLEL ALTERNATING ANION-SELECTIVE AND CATION-SELECTIVE MEMBRANES FORMING ALTERNATE DILUTING AND CONCENTRATING COMPARTMENTS HAVING INLETS AND OUTLETS, ALL THE MEMBRANES OF THE APPARATUS BEING PARALLEL TO EACH OTHER, MANIFOLD CONDUIT MEANS INTERCONNEC TING THE OUTLETS OF ALL THE DILUTING COMPARTMENTS OF EACH GROUP TO THE INLETS OF THE DILUTING COMPARTMENTS OF ANOTHER GROUP, THEREBY COMBINING THE EFFLUENTS OF THE DILUTING COMPARTMENTS OF A GROUP FOR PASSAGE AS INFLUENT FOR THE DILUTING COMPARTMENTS OF SAID OTHER GROUP, AND ELECTRIC CURRETN SUPPLYING MEANS CONSISTING OF AN ANODE AT ONE END OF THE APPARATUS AND A CATHODE AT THE OTHER END OF THE APPARATUS FOR PASSING A DIRECT CURRENT TRANSVERSELY TRHOUGH ALL THE MEMBRANES AND COMPARTMENTS.
Claim 2
Dependent Claim
127 words
AN ELECTRODIALYSIS APPARATUS COMPRISING A PLURALITY OF JUXTAPOSED MULTI-MEMBRANED GROUPS COMPRISED OF A PLURALITY OF PARALLEL ALTERNATING ANION-SELECTIVE AND CATION-SELECTIVE MEMBRANES FORMING ALTERNATE DILUTING AND CONCENTRATING COMPARTMENTS HAVING INLETS AND OUTLETS, ALL THE MEMBRANES OF THE APPARATUS BEING PARALLEL TO EACH OTHER, MANIFOLD CONDUIT MEANS INTERCONNEC TING THE OUTLETS OF ALL THE DILUTING COMPARTMENTS OF EACH GROUP TO THE INLETS OF THE DILUTING COMPARTMENTS OF ANOTHER GROUP, THEREBY COMBINING THE EFFLUENTS OF THE DILUTING COMPARTMENTS OF A GROUP FOR PASSAGE AS INFLUENT FOR THE DILUTING COMPARTMENTS OF SAID OTHER GROUP, AND ELECTRIC CURRETN SUPPLYING MEANS CONSISTING OF AN ANODE AT ONE END OF THE APPARATUS AND A CATHODE AT THE OTHER END OF THE APPARATUS FOR PASSING A DIRECT CURRENT TRANSVERSELY TRHOUGH ALL THE MEMBRANES AND COMPARTMENTS.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |