Patent US2825685A successfully refreshed from Google Patents.
US2825685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of electrolysis of aqueous electrolytes
Assignee: Individual
•
Filing: 1955-04-12
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Granted: 1958-03-04
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Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Schachter Ozjasz
- 👤 Reznik Szmuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:23
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)
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 |