US2827500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated hydration and alkylation of gaseous olefins
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-10-14
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Granted: 1958-03-18
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Expires: 1974-10-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter P Bloecher
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:32
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/14; C07C29/00; C07C29/03; C07C29/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A PROCESS FOR CONVERTING A HYDROCARBON FEED SUP-PLY OF C3 AND C4 PARAFFINS AND OLEFINS INTO GASOLINE COMPONENTS OF VARIABLE PREDETERMINED VOLATILITY AND GOOD ANTI-KNOCK CHARACTERISTICS, WHICH COMPRISES SEGREGATING FROM SAID FEED HYDROCARBONS IN OLEFIN-RICH C3 FRACTION CONTAINING 70 TO 95% PROPYLENE AND A C4 FRACTION CONTAINING BUTYLENES AND ISOBUTANE, FEEDING AT LEAST A PORTION OF SAID OLEFIN-RICH C3 FRACTION AND WATER OF HYDRATION INTO A HYDRATION ZONE CONTAINING A HYDRATION CATALYST UNDER CONDITIONS CONDUCTIVE TO PRODUCE AN OXYGENATED LIQUID BOILING PRINCIPALLY BETWEEN ABOUT 50* AND 95*C., RECOVERING SAID OXYGENATED LIQUID AND AN UNCONVERTED PROPYLENE-CONTAINING FRACTION, RECYCLING A PORTION OF SAID UNCONVERTED FRACTION TO SAID HYDRATION ZONE, THEREBY ADJUSTING THE RATIO OF UNCONVERTED PROPYLENE TO PROPYLENE CONVERTED TO OXYGENATED LIQUID, PASSING A SUFFICIENT PORTION OF SAID C4 FRACTION THROUGH A POLYMERIZATION ZONE CONTAINING A POLYMERIZATION CATALYST
Claim 2
Dependent Claim
136 words
A PROCESS FOR CONVERTING A HYDROCARBON FEED SUP-PLY OF C3 AND C4 PARAFFINS AND OLEFINS INTO GASOLINE COMPONENTS OF VARIABLE PREDETERMINED VOLATILITY AND GOOD ANTI-KNOCK CHARACTERISTICS, WHICH COMPRISES SEGREGATING FROM SAID FEED HYDROCARBONS IN OLEFIN-RICH C3 FRACTION CONTAINING 70 TO 95% PROPYLENE AND A C4 FRACTION CONTAINING BUTYLENES AND ISOBUTANE, FEEDING AT LEAST A PORTION OF SAID OLEFIN-RICH C3 FRACTION AND WATER OF HYDRATION INTO A HYDRATION ZONE CONTAINING A HYDRATION CATALYST UNDER CONDITIONS CONDUCTIVE TO PRODUCE AN OXYGENATED LIQUID BOILING PRINCIPALLY BETWEEN ABOUT 50* AND 95*C., RECOVERING SAID OXYGENATED LIQUID AND AN UNCONVERTED PROPYLENE-CONTAINING FRACTION, RECYCLING A PORTION OF SAID UNCONVERTED FRACTION TO SAID HYDRATION ZONE, THEREBY ADJUSTING THE RATIO OF UNCONVERTED PROPYLENE TO PROPYLENE CONVERTED TO OXYGENATED LIQUID, PASSING A SUFFICIENT PORTION OF SAID C4 FRACTION THROUGH A POLYMERIZATION ZONE CONTAINING A POLYMERIZATION CATALYST
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) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |