Pasteur Merieux Connaught S.A. (PMC); est. no. 0711

now Sanofi Pasteur S.A.; Institut Merieux acquired Connaught Biosciences in Dec. 1989, forming PMC, the largest vaccine company, majority owned by Rhone-Poulenc S.A.; PMC merged into Aventis Pharma and became Aventis Pasteur in Dec. 1999, now Sanofi Aventis S.A.