Catalyst support method and polymerization with supported...

Details Catalyst support method and polymerization with supported... Catalyst support method and polymerization with supported...

2005-03-08

2005-03-08

Harlan, Robert D. (Department: 1713)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

C502S117000, C502S152000, C502S155000, C526S129000, C526S161000

Reexamination Certificate

active

06864206

ABSTRACT:
This invention relates to a method to support one or more catalyst compounds comprising contacting the catalyst compounds with a pretreatment agent comprising an aluminum alkyl and or an alumoxane in solution and thereafter contacting the combination with a supported activator.

REFERENCES:
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patent: 5691264 (1997-11-01), Sacchetti et al.
patent: 6555495 (2003-04-01), Peterson et al.
patent: 0 500 944 (1992-09-01), None
patent: 0 511 665 (1992-11-01), None
patent: 0 573 120 (1993-12-01), None
patent: 0 890 581 (1999-01-01), None
patent: WO 9912981 (1999-03-01), None

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