Process for the preparation of a copolymer of ethylene
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United States of America Patent
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-
Jul 11, 2017
Issued Date -
N/A
app pub date -
Nov 23, 2012
filing date -
Nov 25, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process for the preparation of an elastomeric polymer of ethylene which comprises polymerizing, in suspension, a mixture of monomers comprising ethylene, at least one a-olefin having from 3 to 12 carbon atoms, possibly at least one non-conjugated diene having from 4 to 20 carbon atoms, in the presence of a catalytic system comprising: —a suspension in oil of at least one catalyst selected from compounds containing vanadium; —at least one co-catalyst, as such, selected from compounds containing aluminum; at least one activator, as such, selected from compounds containing chlorine.
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International Classification(s)
- 2012 Application Filing Year
- C08F Class
- 1687 Applications Filed
- 1416 Patents Issued To-Date
- 83.94 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- C08F Class
- 30.09 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 11, 2029 |
