Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate
2005-04-13
2008-08-12
Marcheschi, Michael A (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
C502S152000, C502S103000, C502S117000, C502S118000, C502S167000, C502S155000, C526S160000, C526S161000, C526S129000
Reexamination Certificate
active
07410927
ABSTRACT:
This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, including polymerization methods using a catalyst composition. One aspect of this invention is the formation and use of a catalyst composition comprising a transition metal compound and an activator for olefin polymerization processes.
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Chevron Phillips Chemical Company LP
Marcheschi Michael A
Merchant & Gould P.C.
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