Founding of Vinnolit Kunststoff GmbH with Head Office in Ismaning, Munich, combining the PVC activities of Hoechst AG and Wacker-Chemie GmbH
1998Founding of Vinnolit Monomer GmbH & Co. KG as a wholly owned subsidiary
Founding of Vinnolit Technologie GmbH & Co. KG (VinTec)
1998Founding of European sales subsidiaries
2000Merger of the polymer and monomer activities into Vinnolit GmbH & Co. KG
Acquisition of the company by private equity fonds under the management of Advent International
Vintron GmbH in Knapsack becomes a wholly owned subsidiary
2003Integration of Vintron and VinTec into Vinnolit GmbH & Co. KG
2006Expansion of paste capacity in Burghausen
2007Acquisition of the Paste PVC (E-PVC) business from Ineos ChlorVinyls
2009Completion of the conversion of the electrolysis plants in Gendorf and Knapsack to membrane technology
2012Further expansion of paste capacity in Burghausen
2014Acquisition of the company by Westlake Chemical Corporation, Houston, TX
201825th company anniversary of Vinnolit
2019Expansion of paste PVC capacity in Burghausen
Closure of production in Hillhouse
2020/2021Expansion of chlor-alkali and VCM capacities in Gendorf (announced)

More information on Vinnolit's history can be found in this brochure.