Patent ID: 6096676
Filing Date: 2000-08-01
Classification: B01J,C07F,C08F

Abstract:
A catalyst precursor having the formula: ##STR21## wherein M is a Group IVB metal; each L is a monovalent, bivalent or trivalent anion;X and Y are each heteroatoms;each Cyclo is a cyclic moiety;each R1 is a hydrocarbon group containing 1 to 50 atoms selected from the group consisting of hydrogen and Group IIIA to Group VIIA elements and two or more adjacent R1 groups may be joined to form a cyclic moiety;each R2 is a group containing 1 to 50 atoms selected from the group consisting of hydrogen and Group IIIA to Group VIIA elements and two or more adjacent R2 groups may be joined to form a cyclic moiety;W is a bridging group having two atoms and X and Y are not bound to the same atom of the bridging group; andeach m is independently an integer from 0 to 5.