US2681368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of cobalt and iron from oxo aldehydes
Assignee: Standard Oil Development Co
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Filing: 1949-10-21
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Granted: 1954-06-15
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Expires: 1969-10-21
Abstract
No abstract record available.
Inventors
- 👤 Cecil H Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:44
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; C07C45/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A CARBONYLATION PROCESS WHEREIN CARBON COMPOUNDS CONTAINING OLEFINIC DOUBLE BONDS ARE CONTACTED IN AN INITAL REACTION ZONE WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT CARBONYLATION CATALYST UNDER CONDITIONS TO PRODUCE REACTION PRODUCTS COMPRISING ALDEHYDES CONTAINING AT LEAST ONE MORE CARBON ATOM THAN SAID OLEFINIC COMPOUNDS, AND WHEREIN METAL COMPOUNDS COMPRISING METAL CARBONYLS ARE DISSOLVED IN SAID REACTION PRODUCTS, AND THE SOLUTION COMPRISING SAID REACTION PRODUCTS AND DISSOLVED METAL COMPOUNDS IS TRANSFERRED TO A CATALYST REMOVAL ZONE WHEREIN THE BULK OF THE METAL CARBONYLS ARE DECOMPOSED TO THE METAL UNDER THE INFLUENCE OF TEMPERATURES AND PRESSURES CONDUCIVE TO THE DECOMPOSITION OF COBALT CARBONYL AND DEPOSITION OF SOLID CATALYST METAL IN SAID
Claim 2
Dependent Claim
115 words
IN A CARBONYLATION PROCESS WHEREIN CARBON COMPOUNDS CONTAINING OLEFINIC DOUBLE BONDS ARE CONTACTED IN AN INITAL REACTION ZONE WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT CARBONYLATION CATALYST UNDER CONDITIONS TO PRODUCE REACTION PRODUCTS COMPRISING ALDEHYDES CONTAINING AT LEAST ONE MORE CARBON ATOM THAN SAID OLEFINIC COMPOUNDS, AND WHEREIN METAL COMPOUNDS COMPRISING METAL CARBONYLS ARE DISSOLVED IN SAID REACTION PRODUCTS, AND THE SOLUTION COMPRISING SAID REACTION PRODUCTS AND DISSOLVED METAL COMPOUNDS IS TRANSFERRED TO A CATALYST REMOVAL ZONE WHEREIN THE BULK OF THE METAL CARBONYLS ARE DECOMPOSED TO THE METAL UNDER THE INFLUENCE OF TEMPERATURES AND PRESSURES CONDUCIVE TO THE DECOMPOSITION OF COBALT CARBONYL AND DEPOSITION OF SOLID CATALYST METAL IN SAID
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |