Sumitomo Chemical (TYO:4005) said the business integration agreement, joint venture agreement, and first-phase absorption-type company split agreement to transfer its polypropylene and LLDPE businesses in Japan to Prime Polymer became effective on July 1.
The transaction, part of a two-phase split, will see Sumitomo Chemical acquire a 20% stake in Prime Polymer, a joint venture of Mitsui Chemicals and Idemitsu Kosan, according to a Tokyo bourse filing on Wednesday.
The first phase has now been completed, while the second phase is planned for April 1, 2027.