US2663744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic hydration of olefins
Assignee: ExxonMobil Oil Corp
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Filing: 1949-11-14
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Granted: 1953-12-22
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Expires: 1969-11-14
Abstract
No abstract record available.
Inventors
- 👤 Sigmund J Lukasiewicz
- 👤 William I Denton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:07
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/08; B01J37/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROCESS FOR THE CATALYTIC HYDRATION OF OLEFINS WHICH COMPRISES PRECONDITIONING A POROUS ADSORPTIVE HYDRATION CATALYST COMPOSED OF INORGANIC OXIDE SELECTED FROM THE CLASS CONSISTING OF ALUMINA, SILICA, ZIRCONIA AND THORIA BY TREATING THE SAME WITH A FLUID PRECONDITIONING AGENT CONSISTING ESSENTIALLY OF WATER AT TEMPERATURE AND PRESSURE FOR CATALYTIC HYDRATION OF OLEFINS WITHIN THE RANGES HEREINAFTER RECITED, REPLACING SAID AGENT BY A MIXTURE OF OLEFIN AND WATER AND CONTINUING TO CONTACT SUCH MIXTURE WITH THE PRECONDITIONED CATALYST AT CATALYTIC HYDRATION CONDITIONS OF TEMPERATURE FROM ABOUT 250* F. TO ABOUT 700* F. AND PRESSURE FROM ABOUT 375 TO ABOT 6,000 POUNDS PER SQUARE INCH.
Claim 2
Dependent Claim
104 words
A PROCESS FOR THE CATALYTIC HYDRATION OF OLEFINS WHICH COMPRISES PRECONDITIONING A POROUS ADSORPTIVE HYDRATION CATALYST COMPOSED OF INORGANIC OXIDE SELECTED FROM THE CLASS CONSISTING OF ALUMINA, SILICA, ZIRCONIA AND THORIA BY TREATING THE SAME WITH A FLUID PRECONDITIONING AGENT CONSISTING ESSENTIALLY OF WATER AT TEMPERATURE AND PRESSURE FOR CATALYTIC HYDRATION OF OLEFINS WITHIN THE RANGES HEREINAFTER RECITED, REPLACING SAID AGENT BY A MIXTURE OF OLEFIN AND WATER AND CONTINUING TO CONTACT SUCH MIXTURE WITH THE PRECONDITIONED CATALYST AT CATALYTIC HYDRATION CONDITIONS OF TEMPERATURE FROM ABOUT 250* F. TO ABOUT 700* F. AND PRESSURE FROM ABOUT 375 TO ABOT 6,000 POUNDS PER SQUARE INCH.
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |