US2825631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimanganese decacarbonyl and process for producing the same
Assignee: Union Carbide Corp
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Filing: 1952-06-14
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Granted: 1958-03-04
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Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Maurice A Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:45
CPC Classifications
C; C01; C01G; C01G45/00; C01G45/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
2 words
DIMANGANESE DECACARBONYL.
Claim 2
Dependent Claim
2 words
DIMANGANESE DECACARBONYL.
Claim 3
Dependent Claim
60 words
A PROCESS FOR PREPARING DIMANGENESE DECACARBONYL IN A HIGHLY PURE FORM WHICH COMPRISES REACTING MANGANESE IODIDE WITH METALLIC MAGNESIUM AND CARBON MONOXIDE UNDER GREATER THAN 100 POUNS PER SQUARE INCH PRESSURE AT A TEMPERATURE OF APPROXIMATELY 25*-100*C. IN THE PRESENCE OF ETHYL ETHER TO YIELD A PRODUCT CONTAINING DIMANGANESE DECACARBONYL, AND REMOVING SAID DIAMANGANESE DECACARBONYL FROM THE OTHER REACTION PRODUCTS.
Claim 4
Dependent Claim
60 words
A PROCESS FOR PREPARING DIMANGENESE DECACARBONYL IN A HIGHLY PURE FORM WHICH COMPRISES REACTING MANGANESE IODIDE WITH METALLIC MAGNESIUM AND CARBON MONOXIDE UNDER GREATER THAN 100 POUNS PER SQUARE INCH PRESSURE AT A TEMPERATURE OF APPROXIMATELY 25*-100*C. IN THE PRESENCE OF ETHYL ETHER TO YIELD A PRODUCT CONTAINING DIMANGANESE DECACARBONYL, AND REMOVING SAID DIAMANGANESE DECACARBONYL FROM THE OTHER REACTION PRODUCTS.
References Cited (Backward Citations)
US2375236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |