申请人:CHEVRON PHILLIPS CHEMICAL COMPANY LP
公开号:US20130085060A1
公开(公告)日:2013-04-04
The present invention provides polymerization catalyst compositions employing half-metallocene compounds with a heteroatom-containing ligand bound to the transition metal. Methods for making these hybrid metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.