Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Zhidong Zhu0
Christopher J. Aarons0
Main Chang0
Date of Patent
December 26, 2006
Patent Application Number
10879572
Date Filed
June 28, 2004
Patent Primary Examiner
Patent abstract
Disclosed are catalyst systems and methods of making the catalyst systems/supports for the polymerization of polyethylene containing a solid titanium catalyst component containing a titanium compound and a support made from a magnesium compound, an alkyl silicate, and a monoester. The catalyst system may further contain an organoaluminum compound. Also disclosed are methods of making various types of polyethylene involving polymerizing ethylene in the presence of hydrogen and a catalyst system containing a support made from a magnesium compound, an alkyl silicate and a monoester.
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