Bridged metallocene compounds

Details Bridged metallocene compounds Bridged metallocene compounds

1996-07-10

1998-01-27

Nazario-Gonzalez, Porfirio

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

556 11, 556 12, 556 28, 556 27, 556 53, 556 7, 556 87, 556402, 556465, 502153, 502154, 502158, 526132, 526160, 526943, 526352, C08F 444, C07F 1700, C07F 700

Patent

active

057123543

ABSTRACT:
The invention relates to new transition metal compounds useful as olefin polymerization catalysts. They are characterized by the formula (V)(E)(W)M(L), which in which M is a transition metal, V, E, and W, is e.g. alkyl, and L is a ligand which has the formula: ##STR1##

REFERENCES:
J. Chem. Soc., Chem. Commun., 1995, "Anionic and Zwitterionic Metallocene Complexes Derived From Novel Boratocyclopentadienyl Ligands", pp. 2081-2082.

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