LEVERKUSEN, Germany – Bayer MaterialScience AG has signed a contract for the sale of its Viverso GmbH subsidiary to Nuplex Industries Ltd. The company is a manufacturer of polymer resins based in New Zealand and Australia. The transaction includes Viverso GmbH and all associated plants and assets and selected product groups that Viverso currently manufactures for companies of Bayer MaterialScience under a toll manufacturing agreement. Also included in the sale are the Viverso, Roskydal®, Alkydal®, Tungophen® and Resistherm® brands. Viverso is headquartered in Bitterfeld, Germany.