Rainer Philippson

{{Short description|German organic chemist}}

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| name = Rainer Philippson

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| nationality = German

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| fields = Organic chemistry

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| workplaces = {{Unbulleted list|German Academy of Sciences at Berlin|Schering AG}}

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Rainer Philippson was a German organic chemist. He is known for inventing and patenting the synthesis of clocortolone with Emanuel Kaspar in 1973.{{Citation|title = Process for the preparation of 9alpha-chloro-11beta-hydroxy steroids|url = https://patents.google.com/patent/US3729495|access-date = 2015-12-07}} The original assignee of the patent was Schering AG. Philippson held a PhD (Dr.rer.nat.) and worked as a researcher at the German Academy of Sciences at Berlin (in East Berlin) in the 1950s and 1960s.Tätigkeitsbericht der Forschungsgemeinschaft der Naturwissenschaftlichen, Technischen und Medizinischen Institute der Deutschen Akademie der Wissenschaften zu Berlin, 1960, p. 244 In the 1960s, he defected to West Germany and joined Schering AG as a researcher. Philippson was also a co-inventor of several other patents held by Schering.