Patent US2744936A successfully refreshed from Google Patents.
US2744936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxo synthesis using cobalt salt of cobalt carbonyl
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1952-02-09
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Granted: 1956-05-08
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Expires: 1972-02-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph K Mertzweiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:13
CPC Classifications
C; C07; C07C; C07C27/00; C07C27/20; C07C27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A CARBONYLATION PROCESS WHEREIN OLEFINIC CARBON COMPOUNDS ARE CONTACTED IN A CARBONYLATION ZONE WITH CO AND H2 IN THE PRESENCE OF A COBAT CATALYST UNDER CONDITIONS TO PRODUCE REACTION PRODUCTS COMPRISING ALDEHYDES CONTAINING AT LEAST ONE MORE CARBON ATOM THAN SAID OLEFINIC COMPOUNDS AND WHEREIN A SOLUTION COMPRISING SAID REACTION PRODUCTS AND DISSOLVED COBALT CATALYST IS DECOBALTED TO REMOVE AND RECOVER COBALT FROM COBALTCONTAMINATED ALDEHYDE PRODUCTS, THE IMPROVEMENT WHICH
Claim 2
Dependent Claim
70 words
IN A CARBONYLATION PROCESS WHEREIN OLEFINIC CARBON COMPOUNDS ARE CONTACTED IN A CARBONYLATION ZONE WITH CO AND H2 IN THE PRESENCE OF A COBAT CATALYST UNDER CONDITIONS TO PRODUCE REACTION PRODUCTS COMPRISING ALDEHYDES CONTAINING AT LEAST ONE MORE CARBON ATOM THAN SAID OLEFINIC COMPOUNDS AND WHEREIN A SOLUTION COMPRISING SAID REACTION PRODUCTS AND DISSOLVED COBALT CATALYST IS DECOBALTED TO REMOVE AND RECOVER COBALT FROM COBALTCONTAMINATED ALDEHYDE PRODUCTS, THE IMPROVEMENT WHICH
References Cited (Backward Citations)
US2542747A
Cited
US2600571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |