Metallocene catalysts, their synthesis and their use for the...

Details Metallocene catalysts, their synthesis and their use for the... Metallocene catalysts, their synthesis and their use for the...

2007-01-30

2007-01-30

Lu, Caixia (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S165000, C526S906000, C502S120000, C502S110000, C502S152000

Reexamination Certificate

active

11001272

ABSTRACT:
A process for the preparation of a catalyst system includes the steps of combining a support material with a first composition which includes at least one aluminoxane in a first solvent to provide an aluminoxane loaded support; and, contacting the aluminoxane loaded support with a second composition which includes at least one metallocene compound, a second solvent, and a cocatalyst, wherein the cocatalyst includes a second portion of the at least one aluminoxane alone or in combination with an ionic compound and/or a Lewis acid.

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