MIDLAND, Mich.--(BUSINESS WIRE)--The Dow Chemical Company (NYSE: DOW) announced today that it has closed on the acquisition of ExxonMobil Chemical Company’s ownership share of Univation Technologies, LLC, previously a 50/50 joint venture with Dow. In October 2014, Dow and ExxonMobil announced jointly the signing of a definitive agreement to restructure the ownership of Univation Technologies, LLC. This transaction was a collaborative decision between Dow and ExxonMobil and aligns to Dow’s strat