Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266109 | EMI shielding pigments, a process for their preparation and their use | Werner Voelker, Kai Dorer, Bernd Dorbath, Karl-Anton Starz, Norbert Giesecke | 1993-11-30 |
| 5252522 | Purple pigments, a process for their production and use thereof | Bernd Dorbath, Karl-Anton Starz, Werner Voelker, Kai Dorer | 1993-10-12 |