US3367922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for copolymerizing ethylene and higher 1-monoolefins
Assignee: Phillips Petroleum Co
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Filing: 1963-09-12
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Granted: 1968-02-06
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Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Richard J Sonnenfeld
- 👤 Ollie G Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:49
CPC Classifications
C; C08; C08F; C08F210/00; C08F210/16; C08F210/18; C08F210/04; C08F210/06; Y; Y10; Y10S; Y10S526/00; Y10S526/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A CONTINUOUS PROCESS FOR SOLUTION POLYMERIZING ETHYLENE AND AT LEAST ONE HIGHER 1-MONOOLEFINE WITH A TWOCOMPONENT SOLUBLE POLYMERIZATION COORDINATION CATALYST COMPRISING AT LEAST ONE COMPOUND OF A REDUCIBLE POLYVALENT TRANSITION METAL OF GROUPS IVB, VB, VIB, VIIB AND GROUP I, II, IIIA, IVA, AND V, THE IMPROVEMENT COMPRISING SEPARATELY AND SIMULTANEOUSLY CHARGING TO A POLYMERIZATION REACTION ZONE A FIRST FEED STREAM COMPRISING SAID ETHYLENE, SOLVENT, AND ONE OF SAID CATALYST COMPONENTS AND THE SECOND FEED STREAM COMPRISING SAID HIGHER 1-MONOOLEFIN, SOLVENT, AND THE OTHER OF SAID CATALYST COMPONENTS AND WITHDRAWING EFFLUENT THEREFROM AT A RATE SUFFICIENT TO MAINTAIN A CONSTANT LIQUID VOLUME IN SAID REACTION ZONE.
Claim 2
Dependent Claim
107 words
IN A CONTINUOUS PROCESS FOR SOLUTION POLYMERIZING ETHYLENE AND AT LEAST ONE HIGHER 1-MONOOLEFINE WITH A TWOCOMPONENT SOLUBLE POLYMERIZATION COORDINATION CATALYST COMPRISING AT LEAST ONE COMPOUND OF A REDUCIBLE POLYVALENT TRANSITION METAL OF GROUPS IVB, VB, VIB, VIIB AND GROUP I, II, IIIA, IVA, AND V, THE IMPROVEMENT COMPRISING SEPARATELY AND SIMULTANEOUSLY CHARGING TO A POLYMERIZATION REACTION ZONE A FIRST FEED STREAM COMPRISING SAID ETHYLENE, SOLVENT, AND ONE OF SAID CATALYST COMPONENTS AND THE SECOND FEED STREAM COMPRISING SAID HIGHER 1-MONOOLEFIN, SOLVENT, AND THE OTHER OF SAID CATALYST COMPONENTS AND WITHDRAWING EFFLUENT THEREFROM AT A RATE SUFFICIENT TO MAINTAIN A CONSTANT LIQUID VOLUME IN SAID REACTION ZONE.
References Cited (Backward Citations)
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Cited
GB856736A
Cited
US3211709A
Cited
GB857183A
Cited
GB857938A
Cited
US3166538A
Cited
US3291784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |