Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2007-05-16
2008-12-23
Lu, Caixia (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S129000, C526S132000, C526S135000, C526S153000, C526S160000, C502S103000, C502S104000, C502S114000, C502S117000, C502S120000, C502S128000, C502S152000
Reexamination Certificate
active
07468416
ABSTRACT:
A process for the preparation of a catalyst system includes the steps of combining a Lewis base, an organic compound having at least one functional group containing active hydrogen, and an organometallic component with a particulate support material to provide an intermediate composition, and then combining the intermediate composition with one or more metallocene compound. The catalyst system is advantageously used for olefin polymerization.
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Paczkowski Nicola Stefanie
Schottek Joerg
Sell Thorsten
Winter Andreas
Dilworth & Barrese LLP.
Lu Caixia
Lummus Technology Inc.
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