| http://www.w3.org/ns/prov#value | - The catalyst of claim 8 wherein said metallocene is represented by the following formula: Bb (Ss R)r MDd Aa wherein R is a cyclopentadienyl containing ring, M is a group IV, V or VI transition metal, S is a hydrocarbyl, alkoxy, silyl, siloxy group or a halogen or two carbon atoms joined together to form a part of a C4 to C6 ring; A is a halogen, D is a hydrocarbyl radical, a arylalkyl radical an a
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