Catalyst system for ethylene (co)-polymerization

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing

Reexamination Certificate

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C502S117000, C525S121000, C526S090000

Reexamination Certificate

active

06956003

ABSTRACT:
A catalyst system for (co)-polymerizing ethylene or ethylene with α-olefin is disclosed. The catalyst system utilizes a catalyst component that contains the product of a reaction of an early transition metal complex such as a titanium alkoxide with a cyclic diene-containing compound such as indene. The catalyst system also utilizes a solid magnesium halide support and an alkylaluminum co-catalyst. The catalyst system of present invention produces polyethylene with a narrow molecular weight distribution and a narrow compositional distribution.

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Department of Polymer Science—University of Southern Mississippi; Ziegler-Natta Vinyl Polymerization, 1995; 10 pages.

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