Patent US3234115A successfully refreshed from Google Patents.
US3234115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the electrolytic precipitation of sodium
Assignee: Individual
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Filing: 1963-07-31
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Granted: 1966-02-08
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Karl
- 👤 Lehmkuhl Herbert
- 👤 Grimme Wolfram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:25
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/02; C25C1/00; C25C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
PROCESS FOR ELECTROLYTIC PRODUCTION OF SODIUM WHICH COMPRISES: PASSING AN ELECTROLYSIS CURRENT BETWEEN AN ANODE AND A CATHODE THROUGH AN ELECTROLYTE COMPRISING A COMPLEX COMPOUND OF THE GENERAL FORNULA MEAIR3R'' IN WHICH ME IS ALKALI METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AND A MIXTURE OF SODIUM AND POTASSIUM, R IS AN ALKYL RADICAL AND R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, ALKOXY, CYCLOALKOXY AND AROXY, SAID ANODE CONTAINING SODIUM, TO ELECTROLYZE SODIUM FROM THE ANODE AND DEPOSIT SODIUM AT THE CATHODE, THE SODIUM ELECTROLYZED AT THE ANODE REPLACING IN THE ELECTROLYTE SODIUM DEPOSITED AT THE CATHODE.
Claim 2
Dependent Claim
101 words
PROCESS FOR ELECTROLYTIC PRODUCTION OF SODIUM WHICH COMPRISES: PASSING AN ELECTROLYSIS CURRENT BETWEEN AN ANODE AND A CATHODE THROUGH AN ELECTROLYTE COMPRISING A COMPLEX COMPOUND OF THE GENERAL FORNULA MEAIR3R'' IN WHICH ME IS ALKALI METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AND A MIXTURE OF SODIUM AND POTASSIUM, R IS AN ALKYL RADICAL AND R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, ALKOXY, CYCLOALKOXY AND AROXY, SAID ANODE CONTAINING SODIUM, TO ELECTROLYZE SODIUM FROM THE ANODE AND DEPOSIT SODIUM AT THE CATHODE, THE SODIUM ELECTROLYZED AT THE ANODE REPLACING IN THE ELECTROLYTE SODIUM DEPOSITED AT THE CATHODE.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |