Process for producing polyolefin

Details Process for producing polyolefin Process for producing polyolefin

2008-09-09

2008-09-09

Teskin, Fred M (Department: 1796)

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

Synthetic resins

Polymerizing in two or more physically distinct zones

C526S088000, C526S352000, C526S901000

Reexamination Certificate

active

11539901

ABSTRACT:
A process for producing a polyolefin comprising a combination of liquid phase polymerization of α-olefin conducted in one or more liquid phase polymerization reactors and gas phase polymerization of α-olefin conducted in one or more gas phase polymerization reactors after the liquid phase polymerization in a material flow.

REFERENCES:
patent: 4187278 (1980-02-01), Clifford
patent: 6455643 (2002-09-01), Harlin et al.

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