Patent US3271458A successfully refreshed from Google Patents.
US3271458A
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Cooling and catalyst recycle in oxo synthesis
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-11-23
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Granted: 1966-09-06
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 William J Ellis
- 👤 Jr Charles Roming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:22
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN AN OXO PROCESS WHEREIN AN OLEFIN, CARBON MONOXIDE AND HYDROGEN ARE CONTACTED IN A CARBONYLATION ZONE WITH AN OXO CATALYST UNDER CONDITIONS TO PRODUCE AN OXYGENATED REACTION PRODUCT COMPRISING AN ALDEHYDE, THE IMPROVEMENT WHICH COMPRISES WITHDRAWING FROM SAID CARBONYLATION ZONE AN EFFLUENT STREAM HAVING AN OLEFIN CONTENT HIGHER THAN THE FINAL OXYGENATED REACTION PRODUCT, COOLING AND RECYCLING ABOUT 20 TO 90% BY VOLUME OF SAID STREAM TO SAID CARBONYLATION ZONE, AND INJECTING AT LEAST A PORTION OF THE COOLED RECYCLE STREAM INTO THE INITIAL STAGES OF SAID CARBONYLATION ZONE.
Claim 2
Dependent Claim
90 words
IN AN OXO PROCESS WHEREIN AN OLEFIN, CARBON MONOXIDE AND HYDROGEN ARE CONTACTED IN A CARBONYLATION ZONE WITH AN OXO CATALYST UNDER CONDITIONS TO PRODUCE AN OXYGENATED REACTION PRODUCT COMPRISING AN ALDEHYDE, THE IMPROVEMENT WHICH COMPRISES WITHDRAWING FROM SAID CARBONYLATION ZONE AN EFFLUENT STREAM HAVING AN OLEFIN CONTENT HIGHER THAN THE FINAL OXYGENATED REACTION PRODUCT, COOLING AND RECYCLING ABOUT 20 TO 90% BY VOLUME OF SAID STREAM TO SAID CARBONYLATION ZONE, AND INJECTING AT LEAST A PORTION OF THE COOLED RECYCLE STREAM INTO THE INITIAL STAGES OF SAID CARBONYLATION ZONE.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |