now ZLB Behring; formerly a subsidiary of Aventis Behring GmbH, before that Centeon L.L.C. (CBER est. no. 0149), a joint venture of Rhone-Poulenc Rorer S.A. and Hoechst AG, before that Armour Pharmaceutical Co. (Collegeville, PA; est. no. 0149); Centeon merged into Aventis Pharma in Dec. 1999 and became Aventis Behring.
