| http://www.w3.org/ns/prov#value | - The 1-butene composition object of the present invention can be obtained either by mechanically mixing components a) and b) i.e for example by co-extruding together component a) and b), by mixing the solutions of component a) and component b) and then removing the solvent, or by a reactor blend, i.e. in this case, the composition is produced directly in one or more reactors without the need of a m
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