1
Ewen John Alexander, Welborn Howard Curtis Jr: Process and catalyst for polyolefin density and molecular weight control.. Exxon Research Engineering Co, December 27, 1984: EP0129368-A1 (420 worldwide citation)

Catalysts comprising (a) derivatives of mono, bi and tricyclopentadienyl coordination complexes with a transition metal and (b) and an alumoxane are employed in a process of producing polyolefins of controlled molecular weight.


2
Howard C Welborn Jr, John A Ewen: Process and catalyst for polyolefin density and molecular weight control. Exxon Chemical Patents, Myron B Kurtzman, Charles M Cox, Ben C Cadenhead, June 28, 1994: US05324800 (420 worldwide citation)

Catalysts comprising (a) derivatives of mono, bi and tricyclopentadienyl coordination complexes with a transition metal and (b) and an alumoxane are employed in a process of producing polyolefins of controlled molecular weight.


3
John A Ewen, Howard C Welborn Jr: Process and catalyst for polyolefin density and molecular weight control. Exxon Chemical Patents, Jaimes Sher, Myron B Kurtzman, December 3, 1996: US05580939 (22 worldwide citation)

Catalysts comprising (a) derivatives of mono, bi and tricyclopentadienyl coordination complexes with a transition metal and (b) an alumoxane are employed in a process of producing polyolefins of controlled molecular weight.


4
Ewen John A, Welborn Howard C Jr: Methode et catalyseur de controle de la densite ou du poids moleculaire des polyolefines, Process and catalyst for polyolefin density and molecular weight control. Exxon Research And Engineering Company, BORDEN LADNER GERVAIS, September 26, 1989: CA1260490 (3 worldwide citation)

ABSTRACT OF THE DISCLOSURE Catalysts comprising (a) derivatives of mono, bi andtricyclopentadienyl coordination complexes with a transitionmetal and (b) and an alumoxane are employed in a process ofproducing polyolefins of controlled molecular weight.