SEARCH Articles Figures Tables Activated polymerization Activator polymerization Catalyst, highly active Catalysts ethylene Catalysts polymerizing Discovery of Highly Active Molecular Catalysts for Ethylene Polymerization Ethylene polymerization Ethylene polymerization catalysts Ethylene polymerizations, highly active High activities High-activity catalysts Molecular activity Molecular catalysts Molecular polymerization Polymerization activity Polymerization, activation