US3704329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic hydration of olefins to alcohols
Assignee: Veba Oel AG
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Filing: 1966-09-27
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Granted: 1972-11-28
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Expires: 1986-09-27
Abstract
Abstract CATALYTIC HYDRATION OF OLEFINS TO ALCOHOLS AT ELEVATED TEMPERATURES AND PRESSURES WITH WATER IN GASEOUS PHASE IN THE PRESENCE OF A MINERAL CATALYST PREPARED BY IMPREGNATING A POROUS MINERAL ALUMINA-SILICATE, E.G. BENTONITE, HAVING AN AL2O3 CONTENT BELOW ABOUT 10% BY WEIGHT WITH PHOSPHORIC ACID.
Inventors
- 👤 Ermbrecht Rindtorff
- 👤 Wilhelm Ester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:08
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; B01J21/00; B01J21/16; C; C07; C07C; C07C29/00; C07C29/03; C07C29/04; C07C29/05; C07C29/06; C07C29/08
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) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |