US3194829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic hydration of olefins
Assignee: Gulf Research and Development Co
•
Filing: 1960-12-12
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Granted: 1965-07-13
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Expires: 1980-12-12
Abstract
No abstract record available.
Inventors
- 👤 Leslie D Moore
- 👤 Raymond C Odioso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:33
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/16; B01J37/00; B01J37/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A PROCESS FOR THE CATALYTIC HYDRATION OF OLEFIN TO ALCOHOL COMPRISING CONTACTING A C2 TO C5 OLEFIN WITH WATER IN THE PRESENCE OF A HYDRATION CATALYST CONSISTING OF SILICA-ALUMINA AT A TEMPERATURE BETWEEN ABOUT 250* F. AND 700*F. AND A PRESSURE BETWEEN ABOUT 400 AND 10,000 POUNDS PER SQUARE INCH, SAID SILICA-ALUMINA HYDRATION CATALYST HAVING BEEN PRETREATED BY CONTACTING HYDROGEN SULFIDE WITH SAID SILICA-ALUMINA CATALYST AT A TEMPERATURE BETWEEN ABOUT 100*F. AND 2000*F., THERE BEING SUBSTANTIALLY NO REACTION BETWEEN THE HYDROGEN SULFIDE AND THE SILICA-ALUMINA CATALYST AND SUBSTANTIALLY NO DEPOSITION OF SULFUR UPON THE SILICA-ALUMINA CATALYST AS A RESULT OF SAID PRETREATMENT, SAID PRETREATMENT INCREASING THE ACTIVITY OF SAID CATALYST FOR OLEFIN HYDRATION.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |