Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5707436 | Process for the production of purple pigments | Klaus-Dieter Fritsche, Bernd Dorbath, Norbert Giesecke | 1998-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5707436 | Process for the production of purple pigments | Klaus-Dieter Fritsche, Bernd Dorbath, Norbert Giesecke | 1998-01-13 |