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US2860095A Expired / Lapsed US ⏱️ 0.0 years remaining

Separation of electrolytic solutions into concentrated and dilute streams

Assignee: Veolia WTS Systems USA Inc
•
Filing: 1952-07-22
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Granted: 1958-11-11
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Expires: 1972-07-22
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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 06:34
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

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