Group IVB transition metal compounds

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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C526S161000, C526S170000, C526S172000, C526S943000, C526S127000, C556S011000, C556S052000

Reexamination Certificate

active

07569646

ABSTRACT:
The invention is a Group IVB transition metal compound which may be employed in the polymerization of olefins to produce high molecular weight polymers.

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