Patent US2744939A successfully refreshed from Google Patents.
US2744939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alcohols of high purity by improved oxo process
Assignee: Standard Oil Co
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Filing: 1954-11-26
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Granted: 1956-05-08
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Expires: 1974-11-26
Abstract
No abstract record available.
Inventors
- 👤 William E Kennel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:37
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN AN OXO PROCESS WHEREIN AN OLEFIN HAVING IN THE RANGE OF 3 TO 15 CARBON ATOMS PER MOLECULE IS REACTED WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF AN OIL SOLUBLE COBALT CATALYST UNDER A PRESSURE OF ABOUT 2,500 TO 4,000 P.S.I. AT A TEMPERATURE IN THE RANGE OF 250 TO 400* F. TO PRODUCE AN OXOLATION PRODUCT STREAM, THE OXOLATION PRODUCT STREAM IS TREATED UNDER CONDITIONS TO SEPARATE COBALT THEREFROM, THE TREATED STREAM IS SUBJECTED TO A FLASH DISTILLATION STEP TO SEPARATE LOVER BOILING MATRIALS AND BOTTOMS FROM A ALCHOL-ALDEHYDE FRACTION THE ALCOHOL-ALDEHYDYDE FRACTION IS HYDROGENATED AND THE HYDROGENATED PRODUCT IS FINALLY FRACTIONATED TO REMOVE COM-
Claim 2
Dependent Claim
109 words
IN AN OXO PROCESS WHEREIN AN OLEFIN HAVING IN THE RANGE OF 3 TO 15 CARBON ATOMS PER MOLECULE IS REACTED WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF AN OIL SOLUBLE COBALT CATALYST UNDER A PRESSURE OF ABOUT 2,500 TO 4,000 P.S.I. AT A TEMPERATURE IN THE RANGE OF 250 TO 400* F. TO PRODUCE AN OXOLATION PRODUCT STREAM, THE OXOLATION PRODUCT STREAM IS TREATED UNDER CONDITIONS TO SEPARATE COBALT THEREFROM, THE TREATED STREAM IS SUBJECTED TO A FLASH DISTILLATION STEP TO SEPARATE LOVER BOILING MATRIALS AND BOTTOMS FROM A ALCHOL-ALDEHYDE FRACTION THE ALCOHOL-ALDEHYDYDE FRACTION IS HYDROGENATED AND THE HYDROGENATED PRODUCT IS FINALLY FRACTIONATED TO REMOVE COM-
References Cited (Backward Citations)
No citation records indexed.
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 |