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Ulrich Walter

DGDe Dietrich Process Systems Gmbh: 1 patents #1 of 2Top 50%
Mettmann, DE: #3 of 12 inventorsTop 25%
Overall (2011): #138,119 of 364,097Top 40%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7988942 Method and system for concentrating waste sulphuric acids from nitration processes Gottfried Dichtl 2011-08-02

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