Patent US2731503A successfully refreshed from Google Patents.
US2731503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alcohol synthesis process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1951-05-10
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Granted: 1956-01-17
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Expires: 1971-05-10
Abstract
No abstract record available.
Inventors
- 👤 William J Mattox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:23
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN IMPROVED PROCESS FOR PRODUCING OCTYL ALCOHOLS OF HIGH QUALITY IN INCREASED YIELDS WHICH COMPRISES PASS ING AN OLEFIN MIXTURE CONSISTING ESSENTIALLY OF HEXENE AND HEPTENE PRODUCED BY THE POLYMERIZATION OF A LIGHT GASEOUS HYDROCARBON FEED COMPRISING AT LEAST A MAJOR PROPORTION OF PROPYLENE AND SUBSTANTIALLY FREE OF ISOBUTYLENE, INTO A CARBONYLATION ZONE, TREATING SAID HEXENE-HEPTENE MIXTURE WITH CO AND H2 UNDER ELEVATED TEMPERATURES AND PRESSURES WITH A COBALT CARBONYLATION CATALYST, WHEREBY HEPTYL AND OCTYL ALDEHYDES ARE OBTAINED, REDUCING SAID ALDEHYDES TO THE CORRESPONDING ALCOHOLS, SEPARATING HEPTYL FROM OCTYL ALCOHOLS, CONVETING HEPTYL ALCOHOLS TO HEPTENES, SAID HEPTENES HAVING OLEFINIC UNSATURATION
Claim 2
Dependent Claim
100 words
AN IMPROVED PROCESS FOR PRODUCING OCTYL ALCOHOLS OF HIGH QUALITY IN INCREASED YIELDS WHICH COMPRISES PASS ING AN OLEFIN MIXTURE CONSISTING ESSENTIALLY OF HEXENE AND HEPTENE PRODUCED BY THE POLYMERIZATION OF A LIGHT GASEOUS HYDROCARBON FEED COMPRISING AT LEAST A MAJOR PROPORTION OF PROPYLENE AND SUBSTANTIALLY FREE OF ISOBUTYLENE, INTO A CARBONYLATION ZONE, TREATING SAID HEXENE-HEPTENE MIXTURE WITH CO AND H2 UNDER ELEVATED TEMPERATURES AND PRESSURES WITH A COBALT CARBONYLATION CATALYST, WHEREBY HEPTYL AND OCTYL ALDEHYDES ARE OBTAINED, REDUCING SAID ALDEHYDES TO THE CORRESPONDING ALCOHOLS, SEPARATING HEPTYL FROM OCTYL ALCOHOLS, CONVETING HEPTYL ALCOHOLS TO HEPTENES, SAID HEPTENES HAVING OLEFINIC UNSATURATION
References Cited (Backward Citations)
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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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |