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Historical overview


Bayer began producing chloroprene rubber in April 1957, and the first production line in Leverkusen had a capacity of 2,400 tonnes per year. The special-purpose rubber – which was first marketed under the trade name Perbunan® C and changed its name to Baypren® in 1968 – has occupied a key position on the world rubber market with its wide range of applications. Although Baypren® was initially manufactured in Leverkusen, production was gradually relocated in the early sixties to another Bayer site in Germany, namely Dormagen. In 1975, Bayer began chloroprene rubber production using a modern system based on its own raw materials when a large-scale plant was built at the Dormagen site to manufacture the monomeric chloroprene.


The latest major step in the history of chloroprene rubber took place in 2005 when the Baypren® rubber activities were transferred to LANXESS AG.


The history of Baypren®
1957 Bayer begins the first European production of CR in Leverkusen, Germany under the trade name Perbunan® C (solid rubber, adhesive grades, latex)
1960 Gradual relocation of production to Dormagen, Germany
1968 CR renamed Baypren®
1975 Establishment of Bayer’s own supply of monomer at Dormagen
2005 Transfer to LANXESS AG