Polypropylene having reduced residual metals

Details Polypropylene having reduced residual metals Polypropylene having reduced residual metals

2011-03-08

2011-03-08

Teskin, Fred M (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

C528S495000, C528S496000

Reexamination Certificate

active

07902325

ABSTRACT:
Polymerization processes are described herein. The polymerization processes generally include introducing a catalyst system to a reaction zone, introducing an olefin monomer to the reaction zone, contacting the olefin monomer with the catalyst system to form a polyolefin and contacting the polyolefin with a quench agent, wherein the quench agent is at least partially soluble in the olefin monomer.

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patent: 5733980 (1998-03-01), Cozewith
patent: 6831032 (2004-12-01), Spaether
patent: 2003/0050411 (2003-03-01), Gaynor

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