Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8361622 | Highly disperse metal oxides having a high positive surface charge | Torsten Gottschalk-Gaudig | 2013-01-29 |
| 6800413 | Low-silanol silica | Herbert Barthel, Mario Heinemann, Franz Grünwald, Helmut Maginot | 2004-10-05 |