The manufacturer of Premarin was purchased by Pfizer in what year?
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.
ADAC Laboratories ADAC Laboratories was a Silicon Valley medical device company that was acquired by Philips in 2000. ADAC specialized in nuclear medicine and nuclear imaging devices. It was founded in 1970 and in 1996, it was the recipient of a Malcolm Baldrige National Quality Award It was acquired by Philips for $426 million, and incorporated into Philips Medical Systems (later Philips Healthcare).