Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8765753 | Process for the preparation of s-triazine compounds | — | 2014-07-01 |
| 6403800 | Synthesis of 1-(2-sulfoethyl)-pyridinium betaine | Elisabeth Kappes, Gregor Brodt, Norbert Wagner, Soren Hildebrandt, Thomas Bogenstätter | 2002-06-11 |
| 6077460 | Corrosion inhibition | Knut Oppenlander, Günter Oetter, Norbert Mahr, Hans-Jurgen Jatzek, Klaus Taeger | 2000-06-20 |
| 5899393 | Recycling of diaphragms | Bernd Leutner, Dieter Schlafer, Wolfgang Steiner, Holger Friedrich | 1999-05-04 |
| 5876785 | Recycling of diaphragms | Bernd Leutner, Dieter Schlafer, Wolfgang Steiner, Holger Friedrich | 1999-03-02 |
| 5755951 | Regeneration of plastic diaphragm | Bernd Leutner, Hans-Michael Schneider, Holger Friedrich, Kurt Hecky, Dieter Schlafer +1 more | 1998-05-26 |