Bp Corporation North America Inc.

Franke N Brooks

Edward G Samsel

Linear alpha olefins are typically produced by starting with a trialkylaluminum compound, such as triethylaluminum, and then subjecting the trialkylaluminum compound to alkyl chain growth conditions in the presence of ethylene and elevated temperature and pressure, frequently in the presence of a chain growth catalyst. Under such alkyl chain growth conditions, the alkyl groups attached to the aluminum may be extended by two carbon atoms per reaction with ethylene. The process is permitted to continue until the alkyl groups have reached the desired length at which point they are displaced from the trialkylaluminum compund as alpha olefins, usually in the presence of an excess of ethylene and a displacement catalyst. This invention discloses a new chain growth catalyst system comprising, in combination, non-bridged metallocenes and aluminum complexes having amidinate ligands and inert anions.

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Batavia, IL, United States of America

Franke N Brooks