Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822497 | Interference pigments | Christoph Schmidt, Sabine Schoen | 2020-11-03 |
| 7344590 | Silver pigments | Christoph Schmidt, Johann Dietz | 2008-03-18 |
| 5228912 | Surface-modified, platelet-shaped pigments having improved dispersibility | Gerhard Herget | 1993-07-20 |