Patent US3845155A successfully refreshed from Google Patents.
US3845155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylating olefins over eta-alumina/zirconia catalyst
Assignee: Phillips Petroleum Co
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Filing: 1973-02-12
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Granted: 1974-10-29
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Expires: 1993-02-12
Abstract
Abstract 1. A PROCESS FOR ALKYLATING AN OLEFIN FEED SELECTED FROM MONOOLEFINIC HYDROCARBONS CONTAINING FROM 3 TO 20 CARBON ATOMS PER MOLECULE, WHICH COMPRISES REACTING UNDER SUITABLE REACTION CONDITIONS SAID OLEFIN FEED WITH AT LEAST ONE DIALKYL ETHER CONTAINING FROM 1 TO 6 CARBON ATOMS PER ALKYL GROUP, IN CONTACT WITH A CATLAYST CONSISTING ESSENTIALLY OF ETA-ALUMINA AND ZIRCONIA, THE ZIRCONIA BEING PRESENT IN AN AMOUNT IN THE RANGE OF ABOUT 0.1 TO ABOUT 20 WEIGHT PERCENT OF THE CATALYST, TO PRODUCE AN OLEFIN PRODUCT HAVING AT LEAST ONE MORE CARBON ATOM THAN SAID OLEFIN FEED, SAID REACTION CONDITIONS COMPRISING AN AT LEAST SUBSTANTIAL ABSENCE OF FREE OXYGEN.
Inventors
- 👤 L Heckelsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:10
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/06; B01J21/066; C; C07; C07C; C07C2/00; C07C2/86; C07C2/862; C07C2/865; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROCESS FOR ALKYLATING AN OLEFIN FEED SELECTED FROM MONOOLEFINIC HYDROCARBONS CONTAINING FROM 3 TO 20 CARBON ATOMS PER MOLECULE, WHICH COMPRISES REACTING UNDER SUITABLE REACTION CONDITIONS SAID OLEFIN FEED WITH AT LEAST ONE DIALKYL ETHER CONTAINING FROM 1 TO 6 CARBON ATOMS PER ALKYL GROUP, IN CONTACT WITH A CATLAYST CONSISTING ESSENTIALLY OF ETA-ALUMINA AND ZIRCONIA, THE ZIRCONIA BEING PRESENT IN AN AMOUNT IN THE RANGE OF ABOUT 0.1 TO ABOUT 20 WEIGHT PERCENT OF THE CATALYST, TO PRODUCE AN OLEFIN PRODUCT HAVING AT LEAST ONE MORE CARBON ATOM THAN SAID OLEFIN FEED, SAID REACTION CONDITIONS COMPRISING AN AT LEAST SUBSTANTIAL ABSENCE OF FREE OXYGEN.
Claim 2
Dependent Claim
106 words
A PROCESS FOR ALKYLATING AN OLEFIN FEED SELECTED FROM MONOOLEFINIC HYDROCARBONS CONTAINING FROM 3 TO 20 CARBON ATOMS PER MOLECULE, WHICH COMPRISES REACTING UNDER SUITABLE REACTION CONDITIONS SAID OLEFIN FEED WITH AT LEAST ONE DIALKYL ETHER CONTAINING FROM 1 TO 6 CARBON ATOMS PER ALKYL GROUP, IN CONTACT WITH A CATLAYST CONSISTING ESSENTIALLY OF ETA-ALUMINA AND ZIRCONIA, THE ZIRCONIA BEING PRESENT IN AN AMOUNT IN THE RANGE OF ABOUT 0.1 TO ABOUT 20 WEIGHT PERCENT OF THE CATALYST, TO PRODUCE AN OLEFIN PRODUCT HAVING AT LEAST ONE MORE CARBON ATOM THAN SAID OLEFIN FEED, SAID REACTION CONDITIONS COMPRISING AN AT LEAST SUBSTANTIAL ABSENCE OF FREE OXYGEN.
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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |