Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9328394 | Agent and method for tanning skins and pelts | Jens Zotzel, Stefan Marx, Alla Sarafeddinov | 2016-05-03 |
| 6849095 | Agent and method for enzymatically tanning skins | Thomas Feigel, Manfred Palissa, Ralf Pasternack, Hans-Lothar Fuchsbauer, Michael Meyer | 2005-02-01 |