BG

Bernhard Granwehr

SA Siegfried Ag: 1 patents #22 of 57Top 40%
Overall (All Time): #4,122,252 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4229367 Preparation of trans-4-alkyl-cyanoarylcyclohexanes Rene Gnehm 1980-10-21