C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/604, 402/610
C08F 2/02 (2006.01) B01J 8/18 (2006.01) B01J 8/22 (2006.01) B01J 19/00 (2006.01) C08F 6/02 (2006.01) C08F 10/06 (2006.01) C08F 110/06 (2006.01)
Patent
CA 1119349
ABSTRACT OF THE DISCLOSURE A process for the polymerization of propylene or copolymers of propy- lens and other olefins is described wherein monomer is contacted with a catalystin a reaction zone having both a liquid and a vapor phase followed by subjecting a polymer slurry withdrawn from the reaction zone to a degassing step and a wash step in a liquid phase wash zone using propylene as the wash liquid.
343236
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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