Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9611390 | Pigments with an iron silicate-containing coating | Johann Dietz, Doreen Warthe | 2017-04-04 |
| 9605155 | Gold pigment | Sylke Klein | 2017-03-28 |
| 8642161 | Optically variable security element | Matthias Kuntz, Dieter Heinz, Burkhard Krietsch | 2014-02-04 |