US2963346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing manganese carbonyl
Assignee: Ethyl Corp
•
Filing: 1957-11-22
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Granted: 1960-12-06
•
Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
- 👤 George G Ecke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:37
CPC Classifications
C; C01; C01G; C01G45/00; C01G45/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PROCESS FOR THE PREPARATION OF MANGANESE CARBONYL WHICH COMPRISES REACTING CARBON MONIXIDE WITH AN INTERMEDIATE PREPARED FROM REACTION OF A MANGANOUS HALIDE SELECTED FROM THE GROUP CONSISTING OF MANGANOUS CHLORIDE, MANGANOUS BROMIDE AND MANGANOUS IODIDE WITH A BENZYL GRIGNARD WHEREIN THE MAGNESIUM ATOM IS BONDED TO AN ALIPHATIC CARBON ATOM WHICH IS TURN BONDED TO A NECULAR ATOM OF AN AROMATIC HYDROCARBON GROUP AND SAID MAGNESIUM ATOM IS ALSO BONDED TO A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE.
Claim 2
Dependent Claim
84 words
A PROCESS FOR THE PREPARATION OF MANGANESE CARBONYL WHICH COMPRISES REACTING CARBON MONIXIDE WITH AN INTERMEDIATE PREPARED FROM REACTION OF A MANGANOUS HALIDE SELECTED FROM THE GROUP CONSISTING OF MANGANOUS CHLORIDE, MANGANOUS BROMIDE AND MANGANOUS IODIDE WITH A BENZYL GRIGNARD WHEREIN THE MAGNESIUM ATOM IS BONDED TO AN ALIPHATIC CARBON ATOM WHICH IS TURN BONDED TO A NECULAR ATOM OF AN AROMATIC HYDROCARBON GROUP AND SAID MAGNESIUM ATOM IS ALSO BONDED TO A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE.
References Cited (Backward Citations)
US2822247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |