US2985568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic process for the production of metal alkyls
Assignee: ZIEGLER AG
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Filing: 1955-11-25
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Granted: 1961-05-23
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Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Karl
- 👤 Lehmkuhl Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:22
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/10; C07F5/00; C07F9/00; C07F9/90; C07F9/94; C25; C25B; C25B3/00; C25B3/01; C25B3/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
PROCESS FOR THE PRODUCTION OF METAL ALKYL COMPOUNDS WHICH COMPRISES-PASSING AN ELECTROLYSIS CURRENT BETWEEN A CATHODE AND AN ANODE THROUGH AN ELECTROLYTE CONTAINING AN ALUMINUM TRIALKYL, SAID ANODE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF A METAL OF THE SECOND TO FIFTH GROUPS OF THE PERIODIC SYSTEM, TO THEREBY DISSOLVE THE ANODE METAL WITH THE FORMATION OF THE ALKYL COMPOUND THEREOF HAVING ALKYL RADICALS CORRESPONDING TO THE ALKYL RADICALS OF SAID ALUMINUM TRIALKYL, AND RECOVERING THE METAL ALKYL COMPOUND SO FORMED.
Claim 2
Dependent Claim
83 words
PROCESS FOR THE PRODUCTION OF METAL ALKYL COMPOUNDS WHICH COMPRISES-PASSING AN ELECTROLYSIS CURRENT BETWEEN A CATHODE AND AN ANODE THROUGH AN ELECTROLYTE CONTAINING AN ALUMINUM TRIALKYL, SAID ANODE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF A METAL OF THE SECOND TO FIFTH GROUPS OF THE PERIODIC SYSTEM, TO THEREBY DISSOLVE THE ANODE METAL WITH THE FORMATION OF THE ALKYL COMPOUND THEREOF HAVING ALKYL RADICALS CORRESPONDING TO THE ALKYL RADICALS OF SAID ALUMINUM TRIALKYL, AND RECOVERING THE METAL ALKYL COMPOUND SO FORMED.
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |