Patent ID: 8399582
Filing Date: 2013-03-19
Classification: C07F

Abstract:
1. An active catalyst system comprising: a metallic complex of formula I: wherein R M is a metal Group 3 to 10 of the Periodic Table; Y is O or NR*, R* being selected from alkyl or aryl having from 1 to 12 carbon atoms; each X is the same or different and is selected from halogen, substituted or unsubstituted hydrocarbyl having from 1 to 20 carbon atoms, substituted or unsubstituted aryloxy or alkoxy; m is zero or an integer from 1 to 3; and (n+1) is the valence of M; an activating agent selected from an aluminum or boron-containing complex; and optionally a scavenger, a transfer agent or combinations thereof.