Patent ID: 6831187
Filing Date: 2004-12-14
Classification: C07F

Abstract:
A catalyst precursor composition represented by the formula:GgAnMmLp wherein M is a metal from Groups 1 to 15 and the Lanthanide series of the Periodic Table of the Elements; g is an integer equal to or greater than 1; m is an integer equal to or greater than 2; each L is a monovalent, bivalent, or trivalent anionic ligand; p is an integer equal to or greater than 1; n is an integer equal to or greater than 2; G is at least a divalent spacing group; and A is selected from the following catalytically active ligands: wherein G is bound to at least two substituents; X and Y are Group 14 or 15 atoms; T is a bridging group containing 2 or more bridging atoms; R is selected from bulky and non-bulky substituents with respect to X, Y, or both X and Y, and k is an integer that will vary to satisfy the oxidation state of but will range from about 1 to 3.