Sumika Covestro Urethane Co., Ltd. marks its 50th anniversary
Innovation Center renews its lab space, to strengthen capability on Automotive and Construction markets
Covestro raises stake of DIC Covestro Polymer Ltd. from 50% to 80%
2017
Niihama Plant receives prestigious safety award from Japan Chemical Industry Association.
2016
Covestro Japan Ltd. Head Office and Sumika Covestro Urethane Co., Ltd. Tokyo Office are relocated to new Tokyo Office.
2015
1st September
Covestro starts operations of the Bayer MaterialScience business in Japan under the name of Covestro Japan Ltd., Sumika Covestro Urethane Ltd., and DIC Covestro Polymer Ltd.
2014
Bayer MaterialScience Japan consolidates its offices in Kansai area at Amagasaki Sumika Bayer Urethane Co., Ltd. headquarters.
2009
Bayer MaterialScience's Innovation Center is expanded and commences full-fledged operation.
2007
DIC Bayer Polymer Ltd. constructs a new compounding plant.
Bayer MaterialScience Ltd. is established as a holding company of Bayer MaterialScience group in Japan.
2006
Sumika Bayer Urethane Co., Ltd. successfully achieves two million working hours without recordable incident at its Niihama Plant.
2004
Bayer AG undergoes a comprehensive restructuring process. The plastics unit becomes Bayer MaterialScience, an independent subgroup.
2001
Sumitomo Bayer Urethane Co., Ltd. changes name to Sumika Bayer Urethane Co., Ltd.
2000
Capital share of Sumitomo Bayer Urethane Co., Ltd. change (Bayer : Sumitomo Chemical = 60 : 40)
DIC Bayer Polymer Ltd. is established as a joint venture of Bayer Ltd. and Dainippon Ink and Chemicals Inc. (Now, DIC Corporation)
1971
Production of MDI, a raw material for rigid polyurethane foam, begins in Niihama.
1969
The polyurethane business is divided out from Bayer Japan Ltd., and Sumika Bayer Urethane Co., Ltd. is jointly established by Bayer AG and Sumitomo Chemical.
1958
Industrial production of the polycarbonate Makrolon® begins in Krefeld-Uerdingen.
1953
Bayer chemist Hermann Schnell invents polycarbonate in the central laboratory of the Krefeld-Uerdingen plant.
1937
Chemist Otto Bayer invents polyurethanes in Leverkusen. Because the advantages of the new material are initially unclear, a number of years pass before industrial production begins.
1911
Friedrich Bayer & Co. is established as a wholly owned subsidiary in Kobe, Japan.
1886
The red direct dye Benzopurpurine developed by Bayer and Agfa's Congo Red are introduced to Japan.