| http://www.w3.org/ns/prov#value | - The process of claim 7 wherein the catalyst component is characterized by formula E and R??? is hydrogen or a methyl group and R is a methyl group, phenyl group, 2-methyl-phenyl group, 4-methyl-phenyl group, 2,6-dimethyl-phenyl group, 2,4,6-trimethyl-phenyl group, 4-tert-butyl-phenyl group, 2,6-dimethyl-4-tert-butyl-phenyl group, 2,6-diisopropyl-phenyl group, 2,6-diisopropyl-4-tert-butyl-phenyl gr
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