BACKGROUND OF THE INVENTION Many catalytic processes exist for the polymeriZation
or copolymeriZation of ole? ns such as ethylene and propylene. These processes have …

An ethylene-based copolymer prepared using a supported hybrid metallocene catalyst is
provided. The ethylene-based copolymer is prepared using a supported hybrid metallocene …

57 ABSTRACT A process for making a Supported, single-site catalyst is disclosed. The
transition metal of the catalyst is tethered through a bridged, bidentate ligand that is …

Addition polymerization catalysts-comprising 1) a Group 4 metal complex in the+ 3 oxidation
state containing two delocalized π-bonding moieties, and a stabilizing ligand covalently …

Disclosed are novel cyclopentadienyl transition metal compounds that are stable under a
wide variety of conditions, particularly under conditions that include exposure to water and …

Many catalytic processes exist for the polymerization or copolymerization of olefins Such as
ethylene and propylene. These processes have traditionally utilized a Ziegler-Natta catalyst …

5,202,398 4/1993 Antberg et al....... 526/129 5,254,707 10/1993 Strickler et al... 556/413 A
proceSS for making a Supported, Single-site catalyst is 502/113 disclosed. The transition …

US6559088B1 - Ziegler-Natta catalyst with amine for polymerization - Google Patents
US6559088B1 - Ziegler-Natta catalyst with amine for polymerization - Google Patents …

US6051667A - Olefin polymerization using a catalyst having a bridged cyclopentadienyl-phosphole
ligand - Google Patents US6051667A - Olefin polymerization using a catalyst having a …

A catalyst system comprising the product resulting from the combination of a metallocene
having a monoorganoamide radical attached to the metal of the metallocene and a …