US3240768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of alpha olefin and reactive omega alkenyl silanes
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1961-06-09
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Granted: 1966-03-15
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Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
- 👤 Karl R Guenther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:07
CPC Classifications
C; C08; C08F; C08F210/00; C08F230/00; C08F230/04; C08F230/08; C08F230/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR PREPARING IMPROVED POLYMERS WHICH COMPRISES REACTING 0.1 TO 35 WEIGHT PERCENT OF A C3 TO C10 OMEGA ALKENYL TRIHALOSILANE COMPOUND AND 99.9 TO 6K WEIGHT PERCENT OF A C2 TO C15 HYDROCARBON ALIPHATIC MONO ALPHA OLEFIN, AT A TEMPERATREU OF 0* TO 150*C. IN THE PRESENCE OF A CATALYST COMPRISING A REDUCIBLE HEAVY TRANSITION METAL COMPOUND OF A TRANSITION METAL OF GROUPS IV TO VIII OF THE PERIODIC SYSTEM AND A REDUCING METAL HYDROCARBON COMPOUND OF A METAL OF GROUPS I TO III.
Claim 2
Dependent Claim
86 words
A PROCESS FOR PREPARING IMPROVED POLYMERS WHICH COMPRISES REACTING 0.1 TO 35 WEIGHT PERCENT OF A C3 TO C10 OMEGA ALKENYL TRIHALOSILANE COMPOUND AND 99.9 TO 6K WEIGHT PERCENT OF A C2 TO C15 HYDROCARBON ALIPHATIC MONO ALPHA OLEFIN, AT A TEMPERATREU OF 0* TO 150*C. IN THE PRESENCE OF A CATALYST COMPRISING A REDUCIBLE HEAVY TRANSITION METAL COMPOUND OF A TRANSITION METAL OF GROUPS IV TO VIII OF THE PERIODIC SYSTEM AND A REDUCING METAL HYDROCARBON COMPOUND OF A METAL OF GROUPS I TO III.
References Cited (Backward Citations)
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Cited
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |