0619325-A1 is referenced by 61 patents and cites 2 patents.

The present invention provides a process for preparing polyolefins having a multimodal or at least bimodal molecular weight distribution by contacting in a reaction mixture under polymerization conditions at least one olefin and a catalyst system comprising a supported catalyst-component comprising an alumoxane and at least two metallocenes containing the same transition metal and selected from mono, di, and tri-cyclopentadienyls and substituted cyclopentadienyls of a transition metal and wherein at least one of the metallocenes is bridged and at least one of the metallocenes is unbridged.

Title
Catalyst and process for producing polyolefins.
Application Number
EP19930870064 19930407
Publication Number
0619325 (A1)
Application Date
April 7, 1993
Publication Date
October 12, 1994
Inventor
Debras Guy
BE
Razavi Abbas
BE
Assignee
Fina Research
BE
IPC
C08F 10/00
C08F 04/602
C08F 210/00
C08F 10/00
C08F 04/00
C08F 210/16
C08F 10/00
C08F 04/6592
C08F 04/64
C08F 04/602
C08F 04/60
C08F 04/642
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