Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Vladimir Bagrov0
Ilya Nifant'ev0
Marco Sacco0
Pavel Ivchenko0
Francesca Focante0
Date of Patent
September 28, 2010
0Patent Application Number
118866170
Date Filed
March 15, 2006
0Patent Primary Examiner
Patent 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 hetematoms; L is a divalent bridging group; R1 is a linear C1C40 hydrocarbon radical optionally containing hetexoatonis; T1, T2, T3 and T4 are an oxygen or sulfur atom or a C(R18)2 group with the proviso that at least one group between T1 and T2 is an oxygen or a sulfur atom; wherein R18, are hydrogen atoms or a C1-C4O hydrocarbon radical; n is 1, 2 or 3; R4 is a hydrogen atom or a C1-C40 hydro carbon radical; W is an aromatic 5 or 6 membered ring.
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