Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7537833 | Pyrogenically produced silicon dioxide powder and dispersion thereof | Kai Schumacher, Hauke Jacobsen, Matthias Rochnia, Takeyoshi Shibasaki, Naruyasu Ishibashi | 2009-05-26 |
| 7365101 | Dispersion of pyrogenically produced cerium oxide | Michael Kröll, Gunther Michael, Rainer Hahn, Stipan Katusic, Stefan Heberer | 2008-04-29 |
| 7241336 | Pyrogenically produced aluminum-silicon mixed oxides | Thomas Scharfe, Ronald Apel, Alfons Moster, Helmut Mangold | 2007-07-10 |
| 6573018 | Surface-treated metallic-oxide fine powder, and its production and use | Naruyasu Ishibashi, Eiji Komai | 2003-06-03 |
| 6080232 | Spherical color pigments, process for their production and use thereof | Jorg Sperlich, Hauke Jacobsen, Stipan Katusic, Andreas Schulz | 2000-06-27 |
| 6074754 | Spherical pigments, process for producing them and use thereof | Hauke Jacobsen, Werner Hartmann, Stipan Katusic, Andreas Schulz, Norbert Giesecke +1 more | 2000-06-13 |