Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11123267 | Dental retraction composition with guanidinyl-containing polymer | Peter U. Osswald, Henning Hoffmann, Peter Bissinger, George W. Griesgraber | 2021-09-21 |
| 10952933 | Kit of parts containing a cationically hardenable composition and use as dental retraction material | Hendrik Grupp, Christoph Schulte, Andreas Maurer, Peter U. Osswald | 2021-03-23 |