| abstract |
(A) a compound represented by the formula (1), (B) a compound represented by the formula (2), (C) a methylaluminoxane and / or a boron compound, and (D) an organozinc compound and / And a step of co-oligomerizing a polymerizable monomer containing ethylene and an? -Olefin in the presence of a catalyst containing a ligand and a group VIII element And oligomerizing a polymerizable monomer containing an olefin in the presence of a catalyst containing a complex with a metal such as an olefin. |