Dow Global Technolgoies LLC

The Dow Chemical Company

Univation Technologies, LLC

Dow Global Technology Inc.

Alexander Vogel

Edmund M Carnahan

A compound useful as a cocatalyst or cocatalyst component, especially for use as an addition polymerization catalyst compound, corresponding to the formula: (A*)(Z*J*), wherein:

Salts of lewis acid/acid adducts and catalyst activators therefrom

A process for the preparation of a Group 4 metal amide complex comprising a monovalent or divalent Lewis base ligand the steps of the process comprising contacting a Group 4 metal amide with a neutral source of a monovalent or divalent, Lewis base ligand group and a solid Lewis acid scavenging agent under amine elimination conditions to form a Group 4 metal amide complex containing at least one less amide group per metal moiety than the initial Group 4 metal amide.

Preparation of metal amide complexes

A process for the preparation of Group 4 metal hydrocarbyl complex the steps of the process comprising contacting a Group 4 metal amide with a neutral source of a monovalent or divalent, Lewis base ligand group and a Lewis acid hydrocarbylating agent under conditions to form a Group 4 metal hydrocarbyl complex.

Preparation of metal complexes

The present invention relates to functionalized catalyst supports that are useful in the formation of supported polymerization catalysts, supported catalysts derived from such functionalized catalyst supports, methods for preparing such functionalized catalyst supports and supported catalysts, and polymerization processes utilizing such supported catalysts. The functionalized catalyst supports comprise a particulated, solid support material having chemically bonded thereto a plurality of conjugated or non-conjugated diene or alkyne functionalized ligand groups, said composition being capable of reacting with and tethering a catalytically activatable Group 3-10 or Lanthanide metal complex thereto.

Diene functionalized catalyst supports and supported catalyst compositions

A complex of a Group 3-10 metal, said complex comprising a cyclic group containing delocalized electrons, a bridging group connecting he metal with the cyclic group, and acetylene or a derivative thereof.

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Houston, TX, United States of America

Alexander Vogel