Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10287435 | Preparation of Pigment Red 149 | Heinrich Kowarsch, Andreas Stohr, Hans-Joachim Uschmann | 2019-05-14 |
JH
Josef Hetzenegger
Overall (2019): #409,292 of 560,194Top 75%
1
Patents 2019