C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/612
C08F 2/34 (2006.01) C08F 210/00 (2006.01) C08F 210/06 (2006.01)
Patent
CA 2038974
ABSTRACT A gas phase, two stage process for the production of polypropylene impact copolymer wherein fouling of a second stage recycle loop and heat exchange unit incorporated therein is reduced by the addition to substantially gaseous material passing through the loop of a small amount of an alkylene compound.
Mccarthy Tetrault Llp
Shell Oil Company
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