Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761747 | Dispersion containing pyrogenically manufactured abrasive particles with superparamagnetic domains | Heiko Gottfried, Markus Pridoehl, Guido Zimmermann, Stefan Heberer, Heike Muehlenweg | 2004-07-13 |
| 6746767 | Superparamagnetic oxidic particles, processes for their production and their use | Heiko Gottfried, Christian Janzen, Markus Pridoehl, Paul Roth, Guido Zimmermann | 2004-06-08 |