1
Howard W Turner, Gregory G Hlatky, Richard R Eckman: Ionic metallocene catalyst compositions. Exxon Chemical Patents, M Susan Spiering, Myron B Kurtzman, Ben C Cadenhead, March 30, 1993: US05198401 (428 worldwide citation)

Ionic catalyst compositions can be prepared by combining two components. The first component is a bis(cyclopentadienyl) Group IV-B metal complex containing at least one ligand which will combine irreversibly with the second component or at least a portion thereof such as a cation portion thereof. Th ...


2
Howard W Turner, Gregory G Hlatky, Richard R Eckman: Ionic metallocene catalyst compositions. Exxon Chemical Patents, M Susan Spiering, W G Muller, January 24, 1995: US05384299 (66 worldwide citation)

Ionic catalyst compositions can be prepared by combining two components. The first component is a bis(cyclopentadienyl) Group IV-B metal complex containing at least one ligand which will combine irreversibly with the second component or at least a portion thereof such as a cation portion thereof. Th ...


3
Howard W Turner, Gregory G Hlatky, Richard R Eckman: Ionic metallocene catalyst compositions. Exxon Chemical Patents, W G Muller, November 28, 1995: US05470927 (30 worldwide citation)

A method is disclosed for polymerizing olefins, diolefins, or acetylenically unsaturated monomers containing two or more carbon atoms, either alone or in combination with each other or with other polymerizable monomers, comprising contacting the monomers with an ionic polymerization catalyst compris ...


4
Richard R Eckman, Andrew J Peacock, Paul M Henrichs: Syndiotactic polypropylene, methods for producing amorphous syndiotactic polypropylene and applications thereof. Exxon Chemical Patents, Catherine L Bell, August 23, 1994: US05340917 (10 worldwide citation)

This invention relates to syndiotactic polypropylene having greater than 55% racemic dyads having elastic characteristics at room or ambient temperature, a method for producing said syndiotactic polypropylene and articles made therefrom.