Amido complexes of vanadium for olefin polymerization

摘要

The present invention relates to compounds containing vanadium in the oxidation state +III or +IV and one or more amido groups, a process for preparing these compounds, the use of the compounds of the invention for preparing a catalyst composition, a process for preparing the catalyst composition and also a process for preparing homopolymers and/or copolymers using the catalyst composition.