"Schering AG was a research-centered German multinational pharmaceutical company headquartered in Wedding, Berlin, which operated as an independent company from 1851 to 2006. In 2006 it was bought by Bayer AG and merged to form the Bayer subsidiary Bayer Schering Pharma AG, which was renamed Bayer HealthCare Pharmaceuticals in 2011. Schering was listed on the Frankfurt Stock Exchange and had 26,000 employees as of 2004.
The American pharmaceutical company Schering-Plough, formerly the Schering Corporation, was originally the US subsidiary of Schering AG, and merged with Merck & Co. in 2009." - (en.wikipedia.org 10.08.2021)
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