06524987 is referenced by 182 patents and cites 3 patents.

This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises contacting a organometal compound/organoaluminum mixture, a treated solid oxide compound, and, optionally, a second organoaluminum compound. The solid oxide has been treated with an electron-withdrawing compound, in particular a chlorine, preferably zinc chloride and carbon tetrachloride.

Title
Organometal catalyst compositions
Application Number
9/470514
Publication Number
6524987 (B1)
Application Date
December 22, 1999
Publication Date
February 25, 2003
Inventor
Joel L Martin
Bartlesville
OK, US
Anthony P Eaton
Dewey
OK, US
Elizabeth A Benham
Bartlesville
OK, US
Christopher E Wittner
Bartlesville
OK, US
Kenneth R Farmer
Dewey
OK, US
Gil R Hawley
Dewey
OK, US
Michael D Jensen
Bartlesville
OK, US
Max P McDaniel
Bartlesville
OK, US
Syriac J Palackal
Bartlesville
OK, US
Kathy S Collins
Bartlesville
OK, US
Agent
Kilpatrick Stockton
US
Assignee
Phillips Petroleum Company
OK, US
IPC
B01J 31/00
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