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Helmfried Krause

DA Degussa Ag: 1 patents #70 of 269Top 30%
Overall (2003): #214,406 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6593270 Moldings based on pyrogenic silicon dioxide Hermanus Gerhardus Jozef Lansink Rotgerink, Oliver Feuer, Thomas Tacke, Peter Panster 2003-07-15