US3389129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the polymerization of olefinic hydrocarbons in the presence of aluminium alkyl dihalide or sesquihalide, titanium halide and a phosphorus oxyhalide
Assignee: Teijin Ltd
•
Filing: 1963-07-29
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Granted: 1968-06-18
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Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 Yamada Noboru
- 👤 Watanabe Tadashi
- 👤 Yamanaka Yoshiyuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:45
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
PROCESS FOR THE POLYMERIZATION OF OLEFINIC HYDROCARBONS WHICH COMPRISES POLYMERIZING ONE OR MORE AMONOOLEFINIC HYDROCARBONS HAVING 2-12 CARBON ATOMS IN THE PRESENCE OF A THREE-COMPONENT COMBINATION CATALYST COMPOSED OF (1) AN ORGANIC ALUMINIUM DIHALIDE OR AN ORGANIC ALUMINIUM SESQUIHALIDE OR THEIR MIXTURE, (2) ONE OR MORE OF TITANIUM HALIDES, AND (3) ONE OR MORE OF OXY-PHOSPHORUS COMPOUNDS REPRESENTED BY THE FOLLOWING FORMULAE I AND II BELOW:
Claim 2
Dependent Claim
66 words
PROCESS FOR THE POLYMERIZATION OF OLEFINIC HYDROCARBONS WHICH COMPRISES POLYMERIZING ONE OR MORE AMONOOLEFINIC HYDROCARBONS HAVING 2-12 CARBON ATOMS IN THE PRESENCE OF A THREE-COMPONENT COMBINATION CATALYST COMPOSED OF (1) AN ORGANIC ALUMINIUM DIHALIDE OR AN ORGANIC ALUMINIUM SESQUIHALIDE OR THEIR MIXTURE, (2) ONE OR MORE OF TITANIUM HALIDES, AND (3) ONE OR MORE OF OXY-PHOSPHORUS COMPOUNDS REPRESENTED BY THE FOLLOWING FORMULAE I AND II BELOW:
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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |