Patent US2178934A successfully refreshed from Google Patents.
Patent US3092670A successfully refreshed from Google Patents.
US3092670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxo process for the production of alcohols
Assignee: Gulf Research and Development Co
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Filing: 1957-08-16
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Granted: 1963-06-04
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Expires: 1977-08-16
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Gwynn
- 👤 Rex W Smyth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:34
CPC Classifications
C; C07; C07C; C07C27/00; C07C27/20; C07C27/22; C07C29/00; C07C29/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PROCESS FOR PRODUCING ALCOHOLS WHICH COMPRISES REACTING AN OLEFIN WITH HYDROGEN AN CARBON MONOXIDE IN THE PRESENCE OF A HYDROFORMYLATION REACTION CATALYST AT AN ELEVATED TEMPERATURE AND AN ELEVATED PRESSURE TO OBTAIN A HYDROFORMYLATION REACTION MIXTURE COMPRISING AN ALDEHYDE HAVING ONE MORE CARBON THAN SAID OLEFIN, UNREACTED HYDROGEN, CARBON MONOXIDE AND OLEFIN, DISSOLVED HYDROFORMYLATION REACTION CATALYST AND POLYMERIC MATERIAL, REMOVING FROM SAID MIXTURE SAID UNREACTED HYDROGEN, CARBON MONOXIDE AND OLEFIN AND DISSOLVED HYDROFORMYLATION REACTION CATALYST, SAID UNREACTED OLEFIN HAVING BEEN REMOVED BY CONTACT WITH STEAM, SUBJECTING THE REMAINDER OF SAID MIXTURE TO HYDROGENATION CONDITIONS TO OBTAIN AN ALCOHOL PRODUCT, AND THEREAFTER RECOVERING THE ALCOHOL FROM SAID ALCOHOL PRODUCT.
Claim 2
Dependent Claim
109 words
A PROCESS FOR PRODUCING ALCOHOLS WHICH COMPRISES REACTING AN OLEFIN WITH HYDROGEN AN CARBON MONOXIDE IN THE PRESENCE OF A HYDROFORMYLATION REACTION CATALYST AT AN ELEVATED TEMPERATURE AND AN ELEVATED PRESSURE TO OBTAIN A HYDROFORMYLATION REACTION MIXTURE COMPRISING AN ALDEHYDE HAVING ONE MORE CARBON THAN SAID OLEFIN, UNREACTED HYDROGEN, CARBON MONOXIDE AND OLEFIN, DISSOLVED HYDROFORMYLATION REACTION CATALYST AND POLYMERIC MATERIAL, REMOVING FROM SAID MIXTURE SAID UNREACTED HYDROGEN, CARBON MONOXIDE AND OLEFIN AND DISSOLVED HYDROFORMYLATION REACTION CATALYST, SAID UNREACTED OLEFIN HAVING BEEN REMOVED BY CONTACT WITH STEAM, SUBJECTING THE REMAINDER OF SAID MIXTURE TO HYDROGENATION CONDITIONS TO OBTAIN AN ALCOHOL PRODUCT, AND THEREAFTER RECOVERING THE ALCOHOL FROM SAID ALCOHOL PRODUCT.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |