Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780234 | Pigment granulates for coloring building materials | Christian Egger, Klaus Nungess, Stefan Vogler | 2004-08-24 |
| 6706110 | Pigment granulate for coloring non-polar media and methods for the production | Christian Egger, Klaus Nungess, Stefan Vogler | 2004-03-16 |