[EN] HALF-METALLOCENE COMPOUNDS AND CATALYST COMPOSITIONS<br/>[FR] COMPOSÉS SEMI-MÉTALLOCÈNE ET COMPOSITIONS DE CATALYSEUR
申请人:CHEVRON PHILLIPS CHEMICAL CO
公开号:WO2012103057A1
公开(公告)日:2012-08-02
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.