Patent US4163997A successfully refreshed from Google Patents.
US3243473A
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Polymerization of olefins using a gallium trichloride-silica-alumina catalyst
Assignee: Monsanto Co
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Filing: 1962-12-26
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Granted: 1966-03-29
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Robert M Engelbrecht
- 👤 Joseph Q Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:29
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/14; C07C2/20; C07C2/22; C07C2521/00; C07C2521/12; C07C2527/00; C07C2527/06; C07C2527/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR POLYMERIZING OLEFIN HYDROCARBONS WHICH COMPRISES CONTACTING A HYDROCARBON FEED CONTAINING OLEFIN HYDROCARBONS OF 2 TO 6 CARBON ATOMS AT A TEMPERATURE OF 50 TO 150*C. AND A PRESSURE OF 500 TO 2,000 P.S.I.G. WITH A CATALYST CONSISTING ESSENTIALLY OF A SILICAALUMINA SUPPORT CONTAINING FROM ABOUT 0.05 TO 10 PERCENT BY WEIGHT OF THE TOTAL COMPOSITION OF GALLIUM TRICHLORIDE.
Claim 2
Dependent Claim
61 words
A PROCESS FOR POLYMERIZING OLEFIN HYDROCARBONS WHICH COMPRISES CONTACTING A HYDROCARBON FEED CONTAINING OLEFIN HYDROCARBONS OF 2 TO 6 CARBON ATOMS AT A TEMPERATURE OF 50 TO 150*C. AND A PRESSURE OF 500 TO 2,000 P.S.I.G. WITH A CATALYST CONSISTING ESSENTIALLY OF A SILICAALUMINA SUPPORT CONTAINING FROM ABOUT 0.05 TO 10 PERCENT BY WEIGHT OF THE TOTAL COMPOSITION OF GALLIUM TRICHLORIDE.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |