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Application filed by Shell Oil CofiledCriticalShell Oil Co
Publication of MY103491ApublicationCriticalpatent/MY103491A/en
A PROCESS FOR POLYMERIZING ALPHA OLEFINS IS DISCLOSED WHEREIN THE POLYMERIZATION CATALYST USED COMPRISES, A SOLID CATALYST COMPONENT PREPARED BY MIXING AT LEAST ONE ALKYL OR ARYL MAGNESIUM COMPOUND WITH AN ALDEHYDE OR A KETONE IN THE PRESENCE OF A SOLVENT, THE ALDEHYDE OR KETONE BEING A BRANCHED OR AROMATIC ALDEHYDE WHEN ONLY ONE ALKYL OR ARYL MAGNESIUM COMPOUND IS USED, ADDING A HALIDE OF TETRAVALENT TITANIUM TO THE SOLUTION, RECOVERING THE RESULTING PRECIPITATE, AND CONTACTING THE PRECIPITATE WITH A HALIDE OF TERAVALENT TITANIUM.
SOLID PRECURSOR OF A CATALYST SYSTEM FOR OLEFIN POLYMERIZATION, METHOD FOR THE PRODUCTION THEREOF AND CATALYST SYSTEM CONTAINING SUCH PRECURSOR AND METHOD FOR POLYMERIZING OLEFINS IN THE PRESENCE OF THIS CATALYST SYSTEM