Patent US3306836A successfully refreshed from Google Patents.
US3306836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the electrolytic production of magnesium dialkyls and aluminium trialkyls
Assignee: ZIEGLER AG
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Filing: 1963-02-04
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Granted: 1967-02-28
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Karl
- 👤 Lehmkuhl Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:12
CPC Classifications
C; C25; C25B; C25B3/00; C25B3/01; C25B3/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN THE PROCESS FOR THE ELECTROLYTIC PRODUCTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM DIALKYLS AND ALUMINIUM TRAILKYLS IN WHICH AN ELECTROLYSIS CURRENT IS PASSED BETWEEN A CATHODE AND AN ANODE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND ALUMINIUM ANODES THROUGH AN ELECTROLYTE IN THE FORM OF A COMPLEX COMPOUND THE THE GENERAL FORMULA MEAIR4 IN WHICH ME IS A METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AND MIXTURES OF SODIUM AND POTASSIUM AND R IS AN ALKYL RADICAL TO THEREBY FORM A ALKYL COMPOUND OF THE ANODE METAL AND EDPOSIT SODIUM AT THE CATHODE, THE IMPROVEMENT FOR DEPOSITING SODIUM UNCONTAMINATED WITH ALUMINIUM AT THE CATHODE WHICH COMPRISES MAINTAINING THE CONTENT OF FREE ALUMINIUM TRIALKYL IN THE ELECTROLYTE AT THE CATHODE BELOW 3%.
Claim 2
Dependent Claim
128 words
IN THE PROCESS FOR THE ELECTROLYTIC PRODUCTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM DIALKYLS AND ALUMINIUM TRAILKYLS IN WHICH AN ELECTROLYSIS CURRENT IS PASSED BETWEEN A CATHODE AND AN ANODE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND ALUMINIUM ANODES THROUGH AN ELECTROLYTE IN THE FORM OF A COMPLEX COMPOUND THE THE GENERAL FORMULA MEAIR4 IN WHICH ME IS A METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AND MIXTURES OF SODIUM AND POTASSIUM AND R IS AN ALKYL RADICAL TO THEREBY FORM A ALKYL COMPOUND OF THE ANODE METAL AND EDPOSIT SODIUM AT THE CATHODE, THE IMPROVEMENT FOR DEPOSITING SODIUM UNCONTAMINATED WITH ALUMINIUM AT THE CATHODE WHICH COMPRISES MAINTAINING THE CONTENT OF FREE ALUMINIUM TRIALKYL IN THE ELECTROLYTE AT THE CATHODE BELOW 3%.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |