US2943115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of organomagnesium compounds
Assignee: Rhone Poulenc SA
•
Filing: 1958-03-19
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Granted: 1960-06-28
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Expires: 1978-03-19
Abstract
No abstract record available.
Inventors
- 👤 Normant Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:59
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A PROCESS FOR THE PRODUCTION OF ORGANOMAGNESIUM COMPOUNDS WHICH COMPRISES REACTING MAGNESIUM WITH A HALOGEN DERIVATIVE OF AN UNSATURATED ORGANIC COMPOUND CONTAINING A GROUPING SELECTED FROM THE CLASS CONSISTING OF THE GROUPINGS
Claim 2
Dependent Claim
32 words
A PROCESS FOR THE PRODUCTION OF ORGANOMAGNESIUM COMPOUNDS WHICH COMPRISES REACTING MAGNESIUM WITH A HALOGEN DERIVATIVE OF AN UNSATURATED ORGANIC COMPOUND CONTAINING A GROUPING SELECTED FROM THE CLASS CONSISTING OF THE GROUPINGS
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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |