Catalyst Systems for the Polymerization of Olefins
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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
Jun 6, 2011
filing date -
Jun 24, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A catalyst system comprising the product obtained by contacting (a) a solid catalyst component containing Mg, Ti, halogen and at least an electron donor compound selected from 1,3-diethers;
- (b) an alkylaluminum cocatalyst; and(c) an ester of formula ROOC—(CH2)n—COOR in which n is an integer from 2 to 8, R groups, equal to or different from each other, are C1-C10 alkyl groups.
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| CN | B | CN102958953 | Jun 06, 2011 |
| EP | B1 | EP2585499 | Jun 06, 2011 |
| BR | B1 | BR112012033011 | Jun 06, 2011 |
| WO | A1 | WO2011160936 | Jun 06, 2011 |
International Classification(s)
- 2011 Application Filing Year
- C08F Class
- 1833 Applications Filed
- 1412 Patents Issued To-Date
- 77.04 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- C08F Class
- 11.10 % this patent is cited more than
- 12 Age