 "Rockwood" is a chemical holding company that the financial investor company Kohlberg Kravis Roberts & Co had acquired.D"ynamit Nobel Kunststoff GmbH" was taken over in 2004 by the Swedish company "Plastal Holding AB" for 915 million euros.The technical armament activity was reduced under the name of Dynamit Nobel Defence GmbH, with the registered office located in Würgendorf (Burbach).