Patent US1792964A successfully refreshed from Google Patents.
Patent US3014020A successfully refreshed from Google Patents.
US3014020A
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Polymerization of monoolefins with heat-activated group iv-a metal oxide/alumina catalysts
Assignee: EIDP Inc
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Filing: 1957-05-22
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Granted: 1961-12-19
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Expires: 1977-05-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Hendrickson Balthis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:16
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/06; B01J21/066; B01J21/063; C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE PROCESS OF POLYMERIZING TERMINALLY UNSATURATED OLEFINS TO SOLID POLYMERS WHICH COMPRISES CONTACTING AT LEAST ONE ALIPHATIC MONOOLEFIN CONTAINING 2 TO 7 CARBON ATOMS, WITH A CATALYST CONSISTING ESSENTIALLY OF AN OXIDE OF A METAL OF GROUP IV-A OF THE PERIODIC TABLE OF ELEMENTS SUPPORTED ON ALUMINA, SAID CATALYST BEING THE PRODUCT OBTAINED BY HEATING AN OXIDE OF A GROUP IV-A METAL SUPPORTED ON ALUMINA IN A NON-REDUCING ATMOSPHERE AT A TEMPERATURE OF AT LEAST 400*C. UNDER CONDITIONS PROVIDING FOR THE REMOVAL OF VOLATILE PRODUCTS.
Claim 2
Dependent Claim
85 words
THE PROCESS OF POLYMERIZING TERMINALLY UNSATURATED OLEFINS TO SOLID POLYMERS WHICH COMPRISES CONTACTING AT LEAST ONE ALIPHATIC MONOOLEFIN CONTAINING 2 TO 7 CARBON ATOMS, WITH A CATALYST CONSISTING ESSENTIALLY OF AN OXIDE OF A METAL OF GROUP IV-A OF THE PERIODIC TABLE OF ELEMENTS SUPPORTED ON ALUMINA, SAID CATALYST BEING THE PRODUCT OBTAINED BY HEATING AN OXIDE OF A GROUP IV-A METAL SUPPORTED ON ALUMINA IN A NON-REDUCING ATMOSPHERE AT A TEMPERATURE OF AT LEAST 400*C. UNDER CONDITIONS PROVIDING FOR THE REMOVAL OF VOLATILE PRODUCTS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |