US2987558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organometal compounds
Assignee: Ethyl Corp
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Filing: 1959-11-13
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Granted: 1961-06-06
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Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Sidney M Blitzer
- 👤 Tillmon H Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:35
CPC Classifications
C; C07; C07F; C07F1/00; C07F3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PROCESS FOR PRODUCING AN ALKYL METAL COMPOUND COMPRISING FORMING A REACTION SYSTEM CONSISTING ESSENTIALLY OF A METAL HYDRIDE AS HEREAFTER DEFINED AND A NONREACTING LIQUID REACTION MEDIUM, AND REACTING THE METAL HYDRIDE IN SAID REACTION SYSTEM WITH AN ALIPHATIC MONOOLEFIN AT A TEMPERATURE BETWEEN ABOUT 50 AND 300*C. AT A SUPRA-ATMOSPHERIC PRESSURE OF FROM 15 TO 500 ATMOSPHERES, THE ALIPHATIC MONO-OLEFIN BEING REACTED IN PROPORTIONS CORRESPONDING TO THE STOICHIOMETRIC EQUIVALENT OF THE METAL HYDRIDE REACTED, AND FORMING THEREBY AN ALKYL METAL COMPOUND OF THE METAL OF THE METAL HYDRIDE EMPLOYED, THE METAL HYDRIDES BEING SELECTED FROM THE GROUP CONSISTING OF THE HYDRIDES OF LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CESIUM, CALCIUM, STRONTIUM AND BARIUM.
Claim 2
Dependent Claim
113 words
A PROCESS FOR PRODUCING AN ALKYL METAL COMPOUND COMPRISING FORMING A REACTION SYSTEM CONSISTING ESSENTIALLY OF A METAL HYDRIDE AS HEREAFTER DEFINED AND A NONREACTING LIQUID REACTION MEDIUM, AND REACTING THE METAL HYDRIDE IN SAID REACTION SYSTEM WITH AN ALIPHATIC MONOOLEFIN AT A TEMPERATURE BETWEEN ABOUT 50 AND 300*C. AT A SUPRA-ATMOSPHERIC PRESSURE OF FROM 15 TO 500 ATMOSPHERES, THE ALIPHATIC MONO-OLEFIN BEING REACTED IN PROPORTIONS CORRESPONDING TO THE STOICHIOMETRIC EQUIVALENT OF THE METAL HYDRIDE REACTED, AND FORMING THEREBY AN ALKYL METAL COMPOUND OF THE METAL OF THE METAL HYDRIDE EMPLOYED, THE METAL HYDRIDES BEING SELECTED FROM THE GROUP CONSISTING OF THE HYDRIDES OF LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CESIUM, CALCIUM, STRONTIUM AND BARIUM.
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |