| http://www.w3.org/ns/prov#value | - In one aspect, cocatalysts may be organoaluminum compounds of the formula Al(X5)n(X6)3-n, wherein (X5) is a hydrocarbyl having from 1 to about 20 carbon atoms; (X6) is alkoxide or aryloxide, any of which having from 1 to about 20 carbon atoms, halide, or hydride; and n is a number from 1 to 3, inclusive.
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