Mitsui, Idemitsu, Sumitomo agree to integrate Sumitomo PP and LLDPE into Prime Polymer

Mitsui Chemicals, Idemitsu Kosan and Sumitomo Chemical have concluded a business integration agreement to transfer Sumitomo Chemical's polypropylene and linear low-density polyethylene businesses in Japan into Prime Polymer, a joint venture of Mitsui and Idemitsu. Sumitomo Chemical will receive a 20% stake in Prime Polymer.

“The companies now hereby announce that, after thorough review, they have concluded a business integration agreement and a joint venture agreement regarding the Business Integration.”rttnews.com

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• rttnews.comMitsui, Idemitsu, Sumitomo Enter Agreement For Integration Of Sumitomo PP, LLDPE Into Prime PolymerRTTNews Staff WriterDec 24, 2025

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