US2648694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Higher fatty acid synthesis from oxo bottoms
Assignee: Standard Oil Development Co
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Filing: 1950-09-16
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Granted: 1953-08-11
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Expires: 1970-09-16
Abstract
No abstract record available.
Inventors
- 👤 Mason Ralph Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:15
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/10; C07C51/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD FOR THE PREPARATION OF HIGHER MOLECULAR WEIGHT ALPHATIC CARBONYLC ACIDS WHICH COMPRISES CARBOXYLATING A MIXTURE OF OXYGENATED ORGANIC COMPOUNDS HAVING FROM ABOUT 10 TO 20 CARBON ATOMS PER MOLECULE, SAID MIXTURE BEING OBTAINED AS A HIGHER-BOILING BOTTOMS FRACTION BY DISTILLATION OF A CRUDE C7 OXO ALCOHOL, WITH CARBON MONOXIDE IN THE PRESENCE OF BARON TRIFLUORIDE AT TEMPERATURES OF FROM 200-300.F. AND PRESSURES OF FROM 3,000 TO 5,000 P.S.I.G., IN THE ABSENCE OF WATER AND RECOVERING THE HIGHER MOLECULAR WEIGHT ALIPHATIC ACIDS FROM THE RESULTING REACTION MIXTURE.
Claim 2
Independent Claim
88 words
A METHOD FOR THE PREPARATION OF HIGHER MOLECULAR WEIGHT ALPHATIC CARBONYLC ACIDS WHICH COMPRISES CARBOXYLATING A MIXTURE OF OXYGENATED ORGANIC COMPOUNDS HAVING FROM ABOUT 10 TO 20 CARBON ATOMS PER MOLECULE, SAID MIXTURE BEING OBTAINED AS A HIGHER-BOILING BOTTOMS FRACTION BY DISTILLATION OF A CRUDE C7 OXO ALCOHOL, WITH CARBON MONOXIDE IN THE PRESENCE OF BARON TRIFLUORIDE AT TEMPERATURES OF FROM 200-300.F. AND PRESSURES OF FROM 3,000 TO 5,000 P.S.I.G., IN THE ABSENCE OF WATER AND RECOVERING THE HIGHER MOLECULAR WEIGHT ALIPHATIC ACIDS FROM THE RESULTING REACTION MIXTURE.
References Cited (Backward Citations)
US2135453A
Cited
GB486669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |