A first object of the present invention is to provide a process for polymerization of ethylene, whereby a high catalytic activity is obtainable even at a high polymerization temperature of at least 170° C. and {TAIL ~ the catalyst residue} in the polymer thereby obtained is minimized so that {HEAD ~ the step} of removing the catalyst residue may be omitted 
A first object of the present invention is to provide a process for polymerization of ethylene , whereby a high catalytic activity is obtainable even at a high polymerization temperature of at least 170 ° C. and { TAIL ~ the catalyst residue } in the polymer thereby obtained is minimized so that { HEAD ~ the step } of removing the catalyst residue may be omitted
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