Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172652 | Carbon black granules | Norbert Hornick, Alfons Karl, Silke Teike | 2007-02-06 |
| 7160377 | Aqueous, colloidal gas black suspension | Werner Kalbitz, Stephan Lüdtke, Thomas Lüthge, Ralph McIntosh, Gerd Tauber | 2007-01-09 |
| 7112618 | Beaded black | Karin Otto, Jan Kopietz | 2006-09-26 |
| 7005004 | Aqueous, colloidal gas black suspension | Werner Kalbitz, Gerd Tauber, Stephan Lüdtke, Thomas Lüthge, Ralph McIntosh | 2006-02-28 |
| 6960250 | Carbonaceous material | Thomas Luethge, Ralph McIntosh, Klaus Bergemann, Egon Fanghaenel, Bernd Knackfuss | 2005-11-01 |