What year was the pharmaceutical company that markets Mylotarg purchased by Pfizer?
Wyeth Wyeth was a pharmaceutical company purchased by Pfizer in 2009. The company was founded in Philadelphia, Pennsylvania, in 1860 as John Wyeth and Brother. It was later known as American Home Products before being renamed to Wyeth in 2002. Its headquarters moved to Collegeville, Pennsylvania, and Madison, New Jersey, before its headquarters were consolidated with Pfizer's in New York City after the 2009 merger. The infant and maternal nutrition business was acquired by Nestlé in 2012.
Chugai Pharmaceutical Co. Chugai Pharmaceutical Co., Ltd. (中外製薬株式会社 , Chūgai Seiyaku Kabushikigaisha ) is a subsidiary drug manufacturer operating in Japan controlled by Hoffmann–La Roche, which owns 62% of the company as of 30 June 2014. Previous to Roche's takeover in 2002, Chugai was a pioneering discoverer of many important pharmaceutical compounds. The company is headquartered in Tokyo. Osamu Nagayama is the current representative director, chairman, and CEO. Tatsuro Kosaka is the current representative director, president, and COO.