Olefin polymerization catalyst and process for preparing polypro

Details Olefin polymerization catalyst and process for preparing polypro Olefin polymerization catalyst and process for preparing polypro

1996-07-31

1997-04-08

Smith, Edward J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525247, 525323, 5261253, 5261248, 5261256, 526904, C08F 4651, C08F 4654, C08F 800, C08F 1006

Patent

active

056188862

ABSTRACT:
The present invention provides olefin polymerization catalysts and processes for preparing a polypropylene and a propylene block copolymer using said olefin polymerization catalysts.
The olefin polymerization catalyst (1) of the invention is formed from:

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patent: 4978648 (1990-12-01), Barbe et al.
patent: 4990477 (1991-02-01), Kioka et al.
patent: 5028671 (1991-07-01), Kioka et al.
patent: 5244854 (1993-09-01), Noristi et al.

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