Patent JPS56150754A successfully refreshed from Google Patents.
Patent US2743302A successfully refreshed from Google Patents.
US2743302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alcohols by oxo process
Assignee: Gulf Research and Development Co
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Filing: 1950-05-25
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Granted: 1956-04-24
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Expires: 1970-05-25
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Gwynn
- 👤 Joel H Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:24
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/16; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C29/74; C07C29/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN OXO PROCESS FOR PRODUCING ALCOHOLS WHICH COMPRISES REACTING A MIXTURE COMPRISING HYDROGEN, CARBON MONOXIDE AND AN OLEFIN IN THE PRESENCE OF A COBALT HYDROFORMYLATION CATALYST AT A HYDROFORMYLATION PRESSURE ABOVE ABOUT 1500 POUNDS PER SQUARE INCH AND AT SELECTED HYDROFORMYLATION TEMPERATURES IN THE RANGE OF ABOUT 260* TO ABOUT 460* F. TO PRODUCE A HYDROFORMYLATION REACTION MIXTURE COMPRISING ALDEHYDES, UNREACTED OLEFINS, HYDROGEN, CARBON MONOXIDE AND DISSOLVED COBALT CARBONYL CATALYST, DIRECTLY PASSING SAID HYDROFORMYLATION REACTION MIXTURE AT SUBSTANTIALLY SAID PRESSURE AND TEMPERATURE INTO CONTACT WITH A BED OF HYDROGENATION CATALYST OF THE CLASS CONSISTING OF OXIDES OF CHROMIUM, MANGANESE, COPPER AND CADMIUM TO HYDROGENATE SAID ALDEHYDES IN SAID HYDROFORMYLATION REACTION MIXTURE AND OBTAIN A MIXTURE CON-
Claim 2
Dependent Claim
116 words
AN OXO PROCESS FOR PRODUCING ALCOHOLS WHICH COMPRISES REACTING A MIXTURE COMPRISING HYDROGEN, CARBON MONOXIDE AND AN OLEFIN IN THE PRESENCE OF A COBALT HYDROFORMYLATION CATALYST AT A HYDROFORMYLATION PRESSURE ABOVE ABOUT 1500 POUNDS PER SQUARE INCH AND AT SELECTED HYDROFORMYLATION TEMPERATURES IN THE RANGE OF ABOUT 260* TO ABOUT 460* F. TO PRODUCE A HYDROFORMYLATION REACTION MIXTURE COMPRISING ALDEHYDES, UNREACTED OLEFINS, HYDROGEN, CARBON MONOXIDE AND DISSOLVED COBALT CARBONYL CATALYST, DIRECTLY PASSING SAID HYDROFORMYLATION REACTION MIXTURE AT SUBSTANTIALLY SAID PRESSURE AND TEMPERATURE INTO CONTACT WITH A BED OF HYDROGENATION CATALYST OF THE CLASS CONSISTING OF OXIDES OF CHROMIUM, MANGANESE, COPPER AND CADMIUM TO HYDROGENATE SAID ALDEHYDES IN SAID HYDROFORMYLATION REACTION MIXTURE AND OBTAIN A MIXTURE CON-
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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) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |