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.
Brioschi (company) Brioschi is an Italian company founded in 1907 as "Achille Brioschi & C." to "produce and make commerce of chemicals, liquors and similars"; in 1914 the society was quoted on the Milan stock exchange. In the 1970s Brioschi was transformed into an investment company and today’s Brioschi Sviluppo Immobiliare is a real estate contractor, no longer bearing any relationship to the epoch-making "cachet Brioschi" which was once its staple product. Its offshoot, the American company Brioschi Pharmaceuticals, LLC, continued to market the effervescent antacid in the United States, however in 2013 Brioschi Pharmaceuticals LLC filed for bankruptcy and discontinued selling Brioschi products in North America. That was until 2015 when the Canadian company Neobourne Pharma LP. obtained control of the Brioschi Brand and trademark for North America. Neobourne Pharma is now marketing and selling the effervescent antacid in the United States and in Canada.