US3101328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of olefins and catalysts therefor
Assignee: Phillips Petroleum Co
•
Filing: 1955-03-23
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Granted: 1963-08-20
•
Expires: 1975-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jr James T Edmonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:20
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD FOR POLYMERIZING AN ALIPHATIC 1-OLEFIN HAVING UP TO AND INCLUDING 8 CARBON ATOMS PER MOLECULE WHICH COMPRISES CONTACTING SAID OLEFIN WITH A CATALYST WHICH FORMS ON MIXING COMPOUNDS CONSISTING ESSENTIALLY OF ETHYL BROMIDE, MAGNESIUM, ALUMINUM AND TITANIUM TETRACHLORIDE, THE RATIO OF THE AMOUNTS OF THE COMPONENTS IN SAID CATALYST BEING IN THE RANGE OF FROM 0.02 TO 50 MOLS OF SAID ETHYL BROMIDE PER MOL OF SAID TITANIUM TETRACHHLORIDE AND FROM 0.02 TO 50 MOLS OF SAID MAGNESIUM AND ALUMINUM PER MOL SAID TITANIUM TETRACHLORIDE.
Claim 2
Independent Claim
87 words
A METHOD FOR POLYMERIZING AN ALIPHATIC 1-OLEFIN HAVING UP TO AND INCLUDING 8 CARBON ATOMS PER MOLECULE WHICH COMPRISES CONTACTING SAID OLEFIN WITH A CATALYST WHICH FORMS ON MIXING COMPOUNDS CONSISTING ESSENTIALLY OF ETHYL BROMIDE, MAGNESIUM, ALUMINUM AND TITANIUM TETRACHLORIDE, THE RATIO OF THE AMOUNTS OF THE COMPONENTS IN SAID CATALYST BEING IN THE RANGE OF FROM 0.02 TO 50 MOLS OF SAID ETHYL BROMIDE PER MOL OF SAID TITANIUM TETRACHHLORIDE AND FROM 0.02 TO 50 MOLS OF SAID MAGNESIUM AND ALUMINUM PER MOL SAID TITANIUM TETRACHLORIDE.
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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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |