Alpha is in the business of developing and producing plasma-based pharmaceutical products, and was responsible for the manufacture and sale of 15 percent of the blood factor concentrate market from 1978 through 1985. Alpha is a California corporation based in Los Angeles and a subsidiary of the Green Cross Corporation (Green Cross), a Japanese entity doing business in the United States as a Delaware corporation also based in Los Angeles. Green Cross was not named in the original complaint but is a party to the settlement.
Armour is a Delaware corporation based in Pennsylvania that manufactured and sold 20 percent of the blood factor concentrate marketed in the relevant time period. Armour is a subsidiary of Rhone Poulenc Rorer, Inc.(Rhone-Poulenc), a pharmaceutical company based and incorporated in Pennsylvania. Rhone-Poulenc was named as a defendant in the original complaint and is a party to the settlement. Aside from factor concentrate, Rhone-Poulenc and its subsidiaries manufacture a large variety of pharmaceutical products, including respiratory and allergy medications, thrombosis and cardiology medicines, hormone replacement and cancer therapies, and over-the-counter preparations such as Maalox.
Miles is an Indiana corporation based in Pennsylvania. Through a division known as Cutter Laboratories, Miles manufactured and sold 45 percent of the factor concentrate marketed in the relevant time period. In 1994, Miles merged with Bayer A.G. (Bayer), a German multinational pharmaceutical company doing business in the United States as an Indiana corporation based in Pennsylvania. Bayer was not named in the original complaint but is a party to the settlement. Aside from factor concentrate and the well-known Bayer aspirin, Bayer and its subsidiaries produce a variety of chemical and medical products, including polyurethane, crop protection products, animal health products, and coating materials.