Polymerization catalyst systems, their production and use

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

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Details

502103, 502152, 526160, 526943, C08F 402

Patent

active

055959504

ABSTRACT:
This invention is generally directed toward a supported catalyst system useful for polymerizing olefins. The method for supporting the catalyst of the invention provides for a supported bulky ligand transition metal catalyst which when utilized in a polymerization process substantially reduces the reactor fouling and sheeting particularly in a gas phase polymerization process.

REFERENCES:
patent: 4874734 (1989-10-01), Kioka et al.
patent: 4960878 (1990-10-01), Crapo et al.

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