US2640074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for synthesis of higher aliphatic oxygen-containing compounds
Assignee: EIDP Inc
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Filing: 1949-05-18
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Granted: 1953-05-26
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Expires: 1969-05-18
Abstract
No abstract record available.
Inventors
- 👤 William F Gresham
- 👤 Jr Arthur J Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:01
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PROCESS WHICH COMPRISES REACTING BUTADIENE WITH CARBON MONOXIDE AND HYDROGEN AT A REACTION TEMPERATURE WITHIN THE RANGE OF 135* TO 200* C. UNDER 2,500 TO 5,000 ATMOSPHERES PRESSURE IN A LIQUID ALKANOIC ACID MEDIUM IN THE PRESENCE OF A COBALT COMPOUND DISSOLVED IN THE SAID ALKANOIC ACID WHEREBY A REACTION PRODUCT OF THE SAID BUTADIKENE, CARBON MONOXIDE AND HYDROGEN IS OBTAINED, SAID REACTION PRODUCT HAVING AN OXYGEN ATOM ATTACHED TO AN ACYCLIC HYDROCARBON RADICAL, THE NUMBER OF CARBON ATOMS IN THE SAID ACYCLIC HYDROCARBON RADICAL BEING AT LEAST 9 AND NOT GREATER THAN 21.
Claim 2
Dependent Claim
95 words
A PROCESS WHICH COMPRISES REACTING BUTADIENE WITH CARBON MONOXIDE AND HYDROGEN AT A REACTION TEMPERATURE WITHIN THE RANGE OF 135* TO 200* C. UNDER 2,500 TO 5,000 ATMOSPHERES PRESSURE IN A LIQUID ALKANOIC ACID MEDIUM IN THE PRESENCE OF A COBALT COMPOUND DISSOLVED IN THE SAID ALKANOIC ACID WHEREBY A REACTION PRODUCT OF THE SAID BUTADIKENE, CARBON MONOXIDE AND HYDROGEN IS OBTAINED, SAID REACTION PRODUCT HAVING AN OXYGEN ATOM ATTACHED TO AN ACYCLIC HYDROCARBON RADICAL, THE NUMBER OF CARBON ATOMS IN THE SAID ACYCLIC HYDROCARBON RADICAL BEING AT LEAST 9 AND NOT GREATER THAN 21.
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) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |