Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7368466 | Low-temperature-stable preservatives | Wolfgang Beilfuss, Ralf Gradtke, Andreas Teevst | 2008-05-06 |
| 7045542 | Low-temperature-stable preservatives | Wolfgang Beilfuss, Ralf Gradtke, Andreas Teevst | 2006-05-16 |