Patent US3619058A successfully refreshed from Google Patents.
US2860095A
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Separation of electrolytic solutions into concentrated and dilute streams
Assignee: Veolia WTS Systems USA Inc
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Filing: 1952-07-22
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Granted: 1958-11-11
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Expires: 1972-07-22
Abstract
No abstract record available.
Inventors
- 👤 William E Katz
- 👤 Norman W Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:38
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; B01D61/46; B01D61/463; B01D61/50; B01D2317/00; B01D2317/02; B01D2317/022; C; C02; C02F; C02F1/00; C02F1/46; C02F1/4604; C02F1/469; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/46115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
THE METHOD OF SEPARATING A SOLUTION CONTAINING DISSOLVED ELECTROLYTE INTO CONCENTRATED AND DILUTE FRACTIONS COMPRISING (1) PASSING A FIRST STREAM OF SOLUTION THROUGH ONE SET OF CHAMBERS OF A CONCENTRATING AND DILUTING UNIT HAVING A SET OF DILUTING CHAMBERS ALTERNATELY DISPOSED BETWEEN A SET OF CONCENTRATING CHAMBERS, SAID CHAMBERS BEING DEFINED BETWEEN ALTERNATING ANION PERMEABLE AND CATION PERMEABLE MEMBRANES, (2) DIVIDING A SECOND STREAM FROM THE FIRST STREAM AFTER PASSAGE THEREOF THROUGH SAID UNIT, (3) PASSING THE SECOND STREAM THROUGH THE OTHER SET OF CHAMBERS OF SAID UNIT AND (4) PASSING A DIRECT ELECTRIC CURRENT IN SERIES ACROSS THE ALTERNATING CHAMBERS AND MEMBRANES, THEREBY TO EFFECT CONCENTRATION AND DILUTION OF THE STREAMS IN SAID UNIT.
Claim 2
Independent Claim
115 words
THE METHOD OF SEPARATING A SOLUTION CONTAINING DISSOLVED ELECTROLYTE INTO CONCENTRATED AND DILUTE FRACTIONS COMPRISING (1) PASSING A FIRST STREAM OF SOLUTION THROUGH ONE SET OF CHAMBERS OF A CONCENTRATING AND DILUTING UNIT HAVING A SET OF DILUTING CHAMBERS ALTERNATELY DISPOSED BETWEEN A SET OF CONCENTRATING CHAMBERS, SAID CHAMBERS BEING DEFINED BETWEEN ALTERNATING ANION PERMEABLE AND CATION PERMEABLE MEMBRANES, (2) DIVIDING A SECOND STREAM FROM THE FIRST STREAM AFTER PASSAGE THEREOF THROUGH SAID UNIT, (3) PASSING THE SECOND STREAM THROUGH THE OTHER SET OF CHAMBERS OF SAID UNIT AND (4) PASSING A DIRECT ELECTRIC CURRENT IN SERIES ACROSS THE ALTERNATING CHAMBERS AND MEMBRANES, THEREBY TO EFFECT CONCENTRATION AND DILUTION OF THE STREAMS IN SAID UNIT.
References Cited (Backward Citations)
FR689674A
Cited
US1986920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |