Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10287435 | Preparation of Pigment Red 149 | Heinrich Kowarsch, Andreas Stohr, Hans-Joachim Uschmann | 2019-05-14 |
| 6794504 | Chlorinated copper phthalocyanine pigments | Ingo Klopp, Peter Bottcher | 2004-09-21 |
| 5472494 | Pigment preparation with perylene derivatives as dispersants | Georg Henning, Peter Erk | 1995-12-05 |