US3085120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of allylic metal compounds
Assignee: Ethyl Corp
•
Filing: 1959-08-10
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Granted: 1963-04-09
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Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Seyferth Dietmar
- 👤 Michael A Weiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:44
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/15; C07F; C07F1/00; C07F7/00; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
THE PROCESS WHICH COMPRISES REACTING IN AN INERT ATMOSPHERE AN ORGANO ALKALI METAL COMPOUND WITH AN ALLYLIC COMPOUND OF A GROUP IV-A METAL HAVING AN ELECTROMOTIVE POTENTIAL LOWER THAN THAT OF THE ALKALI METAL.
Claim 2
Dependent Claim
34 words
THE PROCESS WHICH COMPRISES REACTING IN AN INERT ATMOSPHERE AN ORGANO ALKALI METAL COMPOUND WITH AN ALLYLIC COMPOUND OF A GROUP IV-A METAL HAVING AN ELECTROMOTIVE POTENTIAL LOWER THAN THAT OF THE ALKALI METAL.
References Cited (Backward Citations)
US2815388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |