Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6123762 | Low-dust, well dispersible granulates based on silicate fillers modified with organosilicon compounds | Thomas Barthel, Udo Gorl, Kurt Eichenauer | 2000-09-26 |
| 4704414 | Surface modified synthetic, silicatic filler, a process for its production and its use | Dieter Kerner, Peter Kleinschmit, Siegfried Wolff | 1987-11-03 |
| 4514231 | Natural oxidic or silicate filler modified on the surface, a process for its production | Dieter Kerner, Peter Kleinschmit, Siegfried Wolff | 1985-04-30 |