| http://www.w3.org/ns/prov#value | - The process of claim 9 which comprises contacting a solution of an aluminoxane of formula [I] or [II] wherein R is a methyl group and m is an integer of 10 to 30 with an aluminoxane-insoluble or -sparingly soluble solvent to precipitate a finely divided solid aluminoxane in suspension.
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