Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7829736 | Method for the production of cyclic phosphonic acid anhydrides | Mark Wehner, Bettina Kirschbaum, Hans Jürgen Wagner, Harald Hössl | 2010-11-09 |
| 7473794 | Method for the production of cyclic phosphonic acid anhydrides | Mark Wehner, Bettina Kirschbaum, Hans Jürgen Wagner, Harald Hössl | 2009-01-06 |