Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620233 | Goniochromatic luster pigments which are based on titanium dioxide-coated siliceous platelets heated in a reductive atmosphere | Oliver Seeger, Norbert Mronga, Jorg Adel | 2003-09-16 |
| 6533857 | Gloss pigments comprising an absorbent low-refractive coating | Arno Bohm, Oliver Seeger, Norbert Mronga, Thorsten Clemens | 2003-03-18 |
| 6531221 | Multilayer cholesteric pigments | Peter Schuhmacher, Norbert Schneider, Wolfgang Best, Peter Blaschka, Frank Meyer | 2003-03-11 |