Transition metal olefin polymerization processes

Details Transition metal olefin polymerization processes Transition metal olefin polymerization processes

1995-05-19

1996-03-26

Nagumo, Mark

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526132, 526134, 526160, 526126, 526170, 526351, 526352, 526904, C08F 469, C08F 468

Patent

active

055021247

ABSTRACT:
This invention relates to processes using non-Group 4 transition metal compositions useful as olefin polymerization catalysts, wherein the transition metal is in a high oxidation state. The invention further relates to design of new ligand systems and methods of preparing and using the same. Compositions useful as catalyst precursors are neutral transition metal complexes comprising the unique ligand systems of the invention. The inventive compositions may be activated to a catalytic state by ion-exchange reagents or by Lewis acids.

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