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