ED

Ernst Drost

DA Degussa Ag: 1 patents #925 of 2,007Top 50%
DA Dmc2 Degussa Metal Catalysts Cerdec Ag: 1 patents #15 of 35Top 45%
Overall (All Time): #2,207,988 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6649559 Supported metal membrane, a process for its preparation and use Werner Kuhn, Meike Roos, Stefan Wieland, Bernd Kempf 2003-11-18
5730931 Heat-resistant platinum material Manfred Poniatowski, Stefan Zeuner 1998-03-24