Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901502 | Dispersion which contains at least 2 types of particles | Herbert Barthel, Johann Doppelberger, Mario Heinemann, Torsten Gottschalk-Gaudig, Ute Voelkel | 2011-03-08 |
| 4298387 | Agglomerated mixtures of highly dispersed metal oxides and opacifiers | Gunter Kratel, Hans Katzer, Wilfried Lang, Klaus Weis | 1981-11-03 |