US3576881A
Expired / Lapsed
US
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Preparation of modified oxo catalyst and process relating thereto
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1966-02-04
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Granted: 1971-04-27
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Expires: 1986-02-04
Abstract
Abstract COMPLEX METAL CARBONYL COMPOUNDS HAVING THE GENERIC FORMULA: M2(CO)6(XR3)2 WHEREIN M IS IRON, COBALT OR RHODIUM, AND PREFERABLY COBALT; X IS PHOSPHORUS OR ARSENIC, AND PREFERABLY IS PHOSPHORUS; AND R IS AN ALKYL OR ALKOXY RADICAL HAVING FROM ABOUT 1 TO 20 CARBON ATOMS ARE PREPARED BY REACTING AT IRON, COBALT OR RHODIUM CHELATE WITH A BIPHYLLIC LIGAND IN THE PRESENCE OF CARBON MONOXIDE AND HYDROGEN AT ELEVATED TEMPERATURES AND PRESSURES. THE COMPLEX METAL CARBONYL COMPOUNDS ARE USEFUL IN PROMOTING THE REACTION OF CARBON MONOXIDE AND HYDROGEN WITH OLEFINS TO ALDEHYDE AND ALCOHOL PRODUCTS.
Inventors
- 👤 William L Senn Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:30
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1845; B01J31/185; B01J31/20; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; B01J31/24; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/321; B01J2531/00; B01J2531/02; B01J2531/0202; B01J2531/0205; B01J2531/80; B01J2531/82; B01J2531/822; B01J2531/84; B01J2531/842; B01J2531/845
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |