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Wiltrud Schaefer-Treffenfeldt

DA Degussa Ag: 1 patents #925 of 2,007Top 50%
📍 Obertshausen, DE: #60 of 119 inventorsTop 55%
Overall (All Time): #3,726,972 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5676838 Process for isolating hydroxymonocarboxylic and tricarboxylic acids Elfriede Sextl, Akos Kiss, Heike Kinz, Sems Yonsel, Stefan Stockhammer 1997-10-14