 As of 2015, the pharmaceutical operations of Rhône-Poulenc are part of Sanofi and the chemicals divisions are part of Solvay group and Bayer Crop Science.The company was founded in 1928 through the merger of Société des usines chimiques du Rhône (Society of Rhône Chemical Factories) from Lyon and Poulenc Frères (Poulenc Brothers) from Paris founded by Étienne Poulenc, a 19th-century Parisian apothecary and brought to prominence by his second and third sons Émile, father of composer Francis Poulenc, and Camille Poulenc (1864–1942).In 1950, the company synthesized chlorpromazine which it sold to Smith, Kline & French (today part of GlaxoSmithKline) who marketed the drug as Thorazine.