US Patent 6858684 Processes for transitioning between various polymerization catalysts
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Patent abstract
This invention relates to processes for transitioning among polymerization catalyst systems, preferably catalyst systems, which are incompatible with each other. Particularly, the invention relates to processes for transitioning among olefin polymerization reactions utilizing Ziegler-Natta catalyst systems, metallocene catalyst systems and chromium-based catalyst systems.
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Patent Inventor Names
F. David Hussein0
Ian D. Burdett0
James L. Swecker, II0
Mark Gregory Goode0
Michael Allen Kinnan0
Michael Elroy Muhle0
Ping P. Cai0
Ronald Steven Eisinger0
Date of Patent
February 22, 2005
0Patent Application Number
107160410
Date Filed
November 17, 2003
0Patent Primary Examiner
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US Patent 6858684 Processes for transitioning between various polymerization catalysts
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