American Home Products Corporation
1926 Company incorporated as American Home Products
1930 Purchase rights to manufacture the painkiller Anacin.
1932 Acquired pharmaceutical manufacturer Wyeth Chemical Company.
1938 Acquired vitamin manufacturer EFF Laboratories and vitamin and infant food manufacturer S.M.A. Corporation.
1939 Acquired the Black Flag Company, an insecticide manufacturer.
1983 Acquired medical-device maker Sherwood Medical Group.
1989 Acquires over-the-counter drug manufacturer A.H. Robins Co.
1992 Bought a majority interest in biotechnology company Genetics Institute.
1993 Acquired jam maker M. Polaner.
1994 Acquires pharmaceutical and agricultural chemicals firm American Cyanamid, which included a majority interest in the biotechnology firm Immunex.
1995 Sold the oral-care product line.
1996 Purchased full ownership of Genetics Institute.
1996-98 Disposed of its food businesses.
1997 Forced to withdraw diet drugs Pondimin and Redux and faced a wave of lawsuits that eventually cost AHP more than $16 billion; AHP sold its ophthalmic business.
1998 AHP sold its medical-device business.
2000 Sold its agricultural chemicals business.
2001 Took an interest in biotechnology firm Amgen.
2002 Sold its generic, injectable product line; changed name from American Home Products Corporation to Wyeth.
Later Wyeth was acquired by Pfizer
See Also
Sources of Information
- [1] Company histories