US2989557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of aluminum and zinc alkyls
Assignee: Ethyl Corp
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Filing: 1959-09-03
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Granted: 1961-06-20
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Expires: 1979-09-03
Abstract
No abstract record available.
Inventors
- 👤 Sidney M Blitzer
- 👤 Roy L Milde
- 👤 Tillmon H Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:52
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/065; C07F3/00; C07F3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
THE PROCESS OF MANUFACTURING AN ALKYL COMPOUND OF A PRIMARY METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZINC, SAID COMPOUND HAVING AT LEAST ONE ALKYL RADICAL AND CONSISTING OF CARBON, HYDROGEN AND THE PRIMARY METAL, THE CARBON IN SAID COMPOUND BEING ALKYL RADICAL CARBON, SAID PROCESS COMPRISING HYDROGENATING AN ALKYL BIMETAL COMPOUND OF A SECONDARY METAL AND THE PRIMARY METAL, AND IN THE PRESENCE OF THE PRIMARY METAL, SAID SECONDARY METAL BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METALS, SAID ALKYL BIMETAL COMPOUND HAVING AT LEAST ONE ALKYL RADICAL AND CONSISTING OF THE SECONDARY METAL, THE PRIMARY METAL, CARBON AND HYDROGEN, AND THE CARBON OF SAID ALKYL BIMETAL COMPOUND BEING ALKYL RADICAL CARBON.
Claim 2
Dependent Claim
119 words
THE PROCESS OF MANUFACTURING AN ALKYL COMPOUND OF A PRIMARY METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZINC, SAID COMPOUND HAVING AT LEAST ONE ALKYL RADICAL AND CONSISTING OF CARBON, HYDROGEN AND THE PRIMARY METAL, THE CARBON IN SAID COMPOUND BEING ALKYL RADICAL CARBON, SAID PROCESS COMPRISING HYDROGENATING AN ALKYL BIMETAL COMPOUND OF A SECONDARY METAL AND THE PRIMARY METAL, AND IN THE PRESENCE OF THE PRIMARY METAL, SAID SECONDARY METAL BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METALS, SAID ALKYL BIMETAL COMPOUND HAVING AT LEAST ONE ALKYL RADICAL AND CONSISTING OF THE SECONDARY METAL, THE PRIMARY METAL, CARBON AND HYDROGEN, AND THE CARBON OF SAID ALKYL BIMETAL COMPOUND BEING ALKYL RADICAL CARBON.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |