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Helmfried Kraus

DA Degussa Ag: 1 patents #925 of 2,007Top 50%
Overall (All Time): #3,599,611 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6316383 Moldings based on silica Thomas Tacke, Peter Schinke, Hermanus Gerhardus Jozef Lansink Rotgerink 2001-11-13