US3116274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of olefine polymers
Assignee: BASF SE
•
Filing: 1957-01-16
•
Granted: 1963-12-31
•
Expires: 1977-01-16
Abstract
No abstract record available.
Inventors
- 👤 Boehm Hans
- 👤 Fischer Max
- 👤 Haubach Ferdinand
- 👤 Schiller Georg
- 👤 Umlauf Erich
- 👤 Weber Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:59
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN THE LOW PRESSURE POLYMERIZATION OF A MONOLEFIN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND PROPYLENE THE IMPROVEMENT WHICH COMPRISES CARRYING OUT THE POLYMERIZATION IN THE PRESENCE OF A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF AN ALUMINUM ALKYL HAVING FROM 1 TO 8 CARBON ATOMS IN THE ALKYL GROP, A HALDIE SELECTED FROM THE GROUP CONSISTING OF TITANIUM HALIDE AND VANADIUM HALIDE, AND A COMPLEXING AGENT SELECTED FROM THE GROUP CONSISTING OF DIETHYL ETHER, DIPROPYL ETHER, DI-ISOPROPYL ETHER, DIBUTYL ETHER, DIAMYL ETHER, 1,4-DIOXANE, ANISOL AND PHENYL ETHYL ETHER, THE AMOUNT OF SAID COMPLEXING AGENT BEING FROM ABOUT 0.1 TO ABOUT 0.9 MOL PER EQUIVALENT OF ALUMINUM.
Claim 2
Dependent Claim
106 words
IN THE LOW PRESSURE POLYMERIZATION OF A MONOLEFIN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND PROPYLENE THE IMPROVEMENT WHICH COMPRISES CARRYING OUT THE POLYMERIZATION IN THE PRESENCE OF A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF AN ALUMINUM ALKYL HAVING FROM 1 TO 8 CARBON ATOMS IN THE ALKYL GROP, A HALDIE SELECTED FROM THE GROUP CONSISTING OF TITANIUM HALIDE AND VANADIUM HALIDE, AND A COMPLEXING AGENT SELECTED FROM THE GROUP CONSISTING OF DIETHYL ETHER, DIPROPYL ETHER, DI-ISOPROPYL ETHER, DIBUTYL ETHER, DIAMYL ETHER, 1,4-DIOXANE, ANISOL AND PHENYL ETHYL ETHER, THE AMOUNT OF SAID COMPLEXING AGENT BEING FROM ABOUT 0.1 TO ABOUT 0.9 MOL PER EQUIVALENT OF ALUMINUM.
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |