Metallocene compounds

Details Metallocene compounds Metallocene compounds

2007-04-06

2010-11-16

Lu, Caixia (Department: 1796)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

C526S160000, C526S172000, C526S943000, C502S152000

Reexamination Certificate

active

07834205

ABSTRACT:
A bridged metallocene compound of formula (I)wherein:M is a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group optionally containing heteroatoms; L is a divalent bridging group; R1is a linear C1-C40hydrocarbon radical optionally containing heteroatoms; T1and T4are a oxygen, sulfur atom or a C(R18)3group; wherein R18, are hydrogen atoms or a C1-C40hydrocarbon radical; T3and T4are C1-C40hydrocarbon radicals; R4is a hydrogen atom or a C1-C40hydrocarbon radical; W is an aromatic 5 or 6 membered ring.

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