Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7314965 | Catalysts containing copper and zinc for the purification of ethylene | Wolfgang Jürgen Pöpel, Ernest Miesen | 2008-01-01 |
| 7186395 | Iron oxides with a higher degree of refining | Christian Walsdorff, Michael Bajer, Reinhard Korner, Klaus Harth, Wilhelm Ruppel | 2007-03-06 |