Olefin polymerization catalyst system

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, C556S051000, C502S103000

Reexamination Certificate

active

07045583

ABSTRACT:
This invention relates to a catalyst precursor compound comprising a tridentate phenoxy-amide-amine group bound to a group 3 to 12 metal or lanthanide metal. In particular, this invention relates to a catalyst precursor compound represented by the formula:

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Suzuki et al., “Recent Advances in Phenoxy-Based Catalysts for Olefin Polymerization”, Bull. Chem. Soc. Jpn., 76, 2003, pp. 1493-1517.

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