US3737393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of a dialkyl magnesium compound
Assignee: Texas Alkyls Inc
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Filing: 1970-06-03
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Granted: 1973-06-05
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Expires: 1990-06-03
Abstract
Abstract A PROCESS FOR PREPARING SOLUTIONS OF DIALKYL MAGNESIUM COMPOUNDS IS DISCLOSED, WHEREIN AN ALKYL HALOGENIDE IS REACTED WITH MAGNESIUM, AND THE REACTION PRODUCT IS CONTACTED WITH AN ORGANO-ALUMINUM COMPOUND DURING AND/OR AFTER THE REACTION TO FORM A SOLUTION DIALKY MAGNESIUM AND ALUMINUM COMPOUND. SUCH SOLUTIONS ARE USEFUL IN THE POLYMERIZATION OF A-ALKYLENES, SUCH AS ETHYLENE, FOR INSTANCE.
Inventors
- 👤 Vries M De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:56
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/02
Claims Analysis
Total Claims: 0
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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) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |