US3128318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal amide catalysts and their use in polymerizing olefins
Assignee: Universal Oil Products Co
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Filing: 1962-06-18
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Granted: 1964-04-07
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Expires: 1982-06-18
Abstract
No abstract record available.
Inventors
- 👤 Erwin E Meisinger
- 👤 Herman S Bloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:09
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/10; B; B01; B01J; B01J21/00; B01J21/02; B01J27/00; B01J27/24; C07C2521/00; C07C2521/02; C07C2521/04; C07C2531/00; C07C2531/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PROCESS FOR THE CONVERSION OF A MONOOLEFINIC HYDROCARBON WHICH COMPRISES POLYMERIZING SAID HYDROCARBON AT POLYMERIZATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING AN ALKALI METAL AMIDE DISPOSED ON A HIGH SURFACE AREA SUBSTANTIALLY ANHYDORUS ALUMINA SUPPORT WHICH HAS BEEN PROMOTED WITH A HYDROXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS AND ALKALINE EARTH METALS AND CALCINED.
Claim 2
Dependent Claim
63 words
A PROCESS FOR THE CONVERSION OF A MONOOLEFINIC HYDROCARBON WHICH COMPRISES POLYMERIZING SAID HYDROCARBON AT POLYMERIZATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING AN ALKALI METAL AMIDE DISPOSED ON A HIGH SURFACE AREA SUBSTANTIALLY ANHYDORUS ALUMINA SUPPORT WHICH HAS BEEN PROMOTED WITH A HYDROXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS AND ALKALINE EARTH METALS AND CALCINED.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |