EF

Elmar Josef Friederichs

GG Gruenenthal Gmbh: 1 patents #164 of 331Top 50%
Overall (All Time): #3,678,710 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5728885 Method of preparing the enantiomers of O-dimethyltramadol Helmut Buschmann, Werner Winter, Ivars Graudums, Peter Jansen, Wolfgang Strassburger 1998-03-17