Catalysts containing N-pyrrolyl substituted nitrogen donors

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

Reexamination Certificate

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Details

C502S167000, C526S161000, C546S002000, C546S249000, C548S402000

Reexamination Certificate

active

07319084

ABSTRACT:
Catalyst compositions useful for the polymerization or oligomerization of olefins are disclosed. Certain of the catalyst compositions comprise N-pyrrolyl substituted nitrogen donors. Also disclosed are processes for the polymerization or oligomerization of olefins using the catalyst compositions.

REFERENCES:
patent: 7053020 (2006-05-01), De Boer et al.

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