Patent US2679534A successfully refreshed from Google Patents.
US2679534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decobalting oxo aldehyde product in the presence of liquid water
Assignee: Standard Oil Development Co
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Filing: 1950-11-20
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Granted: 1954-05-25
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Expires: 1970-11-20
Abstract
No abstract record available.
Inventors
- 👤 John D Koontz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:06
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A CARBONYLATION PROCESS WHEREIN CARBON COMPOUNDS CONTAINING OLEFINIC DOUBLE BONDS ARE CONTACTED IN AN INITIAL REACTION ZONE WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT CARBONYLATION CATALYST UNDER CONDITIONS TO PRODUCE REACTION PRODUCTS COMPRISING OXYGENATED ORGANIC COMPOUNDS CONTAINING AT LEAST ONE MORE CARBON ATOM THAN SAID CARBON COMPOUNDS AND WHEREIN COBALT CARBONYL IS DISSOLVED IN SAID REACTION PRODUCTS, AND THE SOLUTION COMPRISING SAID REACTION PRODUCTS AND THE THEREIN DISSOLVED COBALT CARBONYL IS TRANSFERRED TO A CATALYST REMOVAL ZONE, THE IMPROVEMENT WHICH COMPRISES INJECTING A FLUID SELECTED FROM THE CLASS OF LIVE STEAM AND WATER IN SAID SOLUTION, MAINTAINING A TEMPERATURE OF THE MIXTURE OF FROM ABOUT 200*-500
Claim 2
Dependent Claim
111 words
IN A CARBONYLATION PROCESS WHEREIN CARBON COMPOUNDS CONTAINING OLEFINIC DOUBLE BONDS ARE CONTACTED IN AN INITIAL REACTION ZONE WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT CARBONYLATION CATALYST UNDER CONDITIONS TO PRODUCE REACTION PRODUCTS COMPRISING OXYGENATED ORGANIC COMPOUNDS CONTAINING AT LEAST ONE MORE CARBON ATOM THAN SAID CARBON COMPOUNDS AND WHEREIN COBALT CARBONYL IS DISSOLVED IN SAID REACTION PRODUCTS, AND THE SOLUTION COMPRISING SAID REACTION PRODUCTS AND THE THEREIN DISSOLVED COBALT CARBONYL IS TRANSFERRED TO A CATALYST REMOVAL ZONE, THE IMPROVEMENT WHICH COMPRISES INJECTING A FLUID SELECTED FROM THE CLASS OF LIVE STEAM AND WATER IN SAID SOLUTION, MAINTAINING A TEMPERATURE OF THE MIXTURE OF FROM ABOUT 200*-500
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |