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Botho Druse

WA Wacker Chemie Ag: 1 patents #641 of 1,324Top 50%
Overall (All Time): #3,600,966 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6322765 Process for preparing silicon dioxide Ernst Muhlhofer, Carl-Heinz Ehrke, Gerhard Kalchgruber 2001-11-27