.alpha.-olefin polymerization catalyst system and process for pr

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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502110, 502115, 502116, 502126, 526351, C08F 4651, C08F 4654, C08F 1000

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active

056080182

ABSTRACT:
An .alpha.-olefin polymerization catalyst system having so high a catalytic activity and stereoregularity that the catalyst residue and amorphous polymer need not be removed and a process for producing an.alpha.-olefin polymer using the catalyst system, said catalyst system consisting essentially of:

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patent: 4743665 (1988-05-01), Sasaki et al.
patent: 4771023 (1988-09-01), Sasaki et al.
patent: 4891411 (1990-01-01), Sasaki et al.
patent: 4983561 (1991-01-01), Sasaki et al.

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