Patent US4254924A successfully refreshed from Google Patents.
Patent US3819727A successfully refreshed from Google Patents.
US3819727A
Expired / Lapsed
US
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Process for the synthesis of alcohols
Assignee: Montedison SpA
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Filing: 1971-04-22
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Granted: 1974-06-25
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Expires: 1991-04-22
Abstract
Abstract ALCOLHOLS ARE DIRECTLY SYNTHESIZED FROM OLEFINS BY OXOREACTION IN A PROCESS COMPRISING A HYDROFORMYLATION PHASE AND A HYDROGENATION PHASE IN WHICH BOTH PHASES PROCEED IN THE PRESENCE OF AN OXO-REACTION CATALYST, MORE PARTICULARLY COBALT CARBONYLS OR CARBONYLABLE COBALT SALTS, AND THE HYDROGENATION PHASE IS CARRIED OUT IN THE PRESENCE OF FROM 5% TO 15% BY VOLUME OF WATER, BASED ON THE VOLUME OF THE OLEFIN, AND, OPTIONALLY, IN THE PRESENCE OF AN ORGANIC ACID.
Inventors
- 👤 G Ferrari
- 👤 P Griselli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:25
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/16
Claims Analysis
Total Claims: 0
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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) | 1977-06-24 | 1977-12-24 | 1978-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-24 | 1981-12-24 | 1982-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-24 | 1985-12-24 | 1986-06-25 | $7700.00 | Window Closed / Lapsed |