1
John A Ewen, Howard C Welborn Jr: Process and catalyst for producing reactor blend polyolefins. Exxon Research & Engineering Company, M B Kurtzman, June 26, 1990: US04937299 (321 worldwide citation)

Polyolefin reactor blends obtained by polymerization of ethylene and higher alpha-olefins in the presence of a catalyst system comprising two or more metallocenes and alumoxane.


2
Ewen John Alexander, Welborn Howard Curtis Jr: Process and catalyst for producing reactor blend polyolefins.. Exxon Research Engineering Co, December 12, 1984: EP0128046-A1 (93 worldwide citation)

Polyolefin reactor blends obtained by polymerization of ethylene and higher alpha-olefins in the presence of a catalyst system comprising two or more metallocenes and alumoxane.


3
Ewen John A, Welborn Howard C Jr: Procede et catalyseur pour lobtention de polyolefines mixtes de reacteur, Process and catalyst for producing reactor blend polyolefins. Exxon Research And Engineering Company, BORDEN LADNER GERVAIS, January 19, 1988: CA1231702 (3 worldwide citation)

ABSTRACT OF THE DISCLOSURE Polyolefin reactor blends obtained by polymerization ofethylene and higher alpha-olefins in the presence of a catalystsystem comprising the or more metallocenes and alumoxane.