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 {HEAD ~ the catalyst residue} in {TAIL ~ the polymer} thereby obtained is minimized so that the step of removing the catalyst residue may be omitted 
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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 { HEAD ~ the catalyst residue } in { TAIL ~ the polymer } thereby obtained is minimized so that the step of removing the catalyst residue may be omitted
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