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US2825685A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of electrolysis of aqueous electrolytes

Assignee: Individual
•
Filing: 1955-04-12
•
Granted: 1958-03-04
•
Expires: 1975-04-12
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Abstract

No abstract record available.

Inventors

  • 👤 Schachter Ozjasz
  • 👤 Reznik Szmuel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:07
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/24

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 134 words
A CONTINUOUS PROCESS FOR THE ELECTROLYSIS IN A DIAPHRAGM-LESS CELL OF AQUEOUS BRINES CONTAINING AT LEAST ONE SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE-EARTH BROMIDES AND IODIDES, COMPRISING SETTING UP IN THE ELECTROLYTE, BY THE PASSAGE OF CURRENT, AN ELECTROCHEMICALLY NEUTRAL ZONE AS WELL AS AN ANOLYTE ZONE AND A CATHOLYTE ZONE, BOTH OF THESE LATTER ZONES BEING LOCATED ABOVE THE NEUTRAL ZONE AND MERGING INTO IT, CONTINUALLY FEEDING FRESH ELECTROLYTE BRINE INTO THE NEUTRAL ZONE, THEREBY PRODUCING A CONTINUOUS UPWARD FLOW OF ELECTROLYTE BRINE FROM THE NEUTRAL ZONE INTO THE ANOLYTE ZONE AND A SEPARATE SIMILAR FLOW INTO THE CATHOLYTE ZONE; AND CONTINUOUSLY WITHDRAWING FROM THE ANOLYTE ZONE AN AQUEOUS LIQUOR CONTAINING AN ELEMENTARY HALOGEN OF THE GROUP CONSISTING OF BROMINE AND IODINE, AND SPENT LIQUOR FROM THE CATHOLYTE ZONE.
Claim 2
Dependent Claim 134 words
A CONTINUOUS PROCESS FOR THE ELECTROLYSIS IN A DIAPHRAGM-LESS CELL OF AQUEOUS BRINES CONTAINING AT LEAST ONE SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE-EARTH BROMIDES AND IODIDES, COMPRISING SETTING UP IN THE ELECTROLYTE, BY THE PASSAGE OF CURRENT, AN ELECTROCHEMICALLY NEUTRAL ZONE AS WELL AS AN ANOLYTE ZONE AND A CATHOLYTE ZONE, BOTH OF THESE LATTER ZONES BEING LOCATED ABOVE THE NEUTRAL ZONE AND MERGING INTO IT, CONTINUALLY FEEDING FRESH ELECTROLYTE BRINE INTO THE NEUTRAL ZONE, THEREBY PRODUCING A CONTINUOUS UPWARD FLOW OF ELECTROLYTE BRINE FROM THE NEUTRAL ZONE INTO THE ANOLYTE ZONE AND A SEPARATE SIMILAR FLOW INTO THE CATHOLYTE ZONE; AND CONTINUOUSLY WITHDRAWING FROM THE ANOLYTE ZONE AN AQUEOUS LIQUOR CONTAINING AN ELEMENTARY HALOGEN OF THE GROUP CONSISTING OF BROMINE AND IODINE, AND SPENT LIQUOR FROM THE CATHOLYTE ZONE.

References Cited (Backward Citations)

DE275617C Cited
DE280906C Cited
US744920A Cited
US973171A Cited
US2055962A Cited
US2116138A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-03-03 1961-09-02 1962-03-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-03-03 1965-09-02 1966-03-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-03-03 1969-09-02 1970-03-04 $7700.00 Window Closed / Lapsed

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