The article offers news briefs on chemical industry as of May 2006. The $37/share cash tender offer from German chemical company BASF to U.S.-based Engelhard was expiring. Bayer, a German chemicals and pharmaceutical company, has made an official takeover offer for Berlin, Germany-based Schering of €16.5 billion. DSM Nutritional Products is set to purchase the CRINA feed additive business of Intervet International.