Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500251 | Multi-coated interference pigments | Stephanie Andes, Gerd Bauer, Gunter Brenner, Dieter Bruckner, Michael Schmelz +3 more | 2002-12-31 |
| 6419736 | Sulfide and oxysulphide pigments | Gerhard Pfaff, Reiner Vogt, Rodney Riddle, Sabine Schoen, Wolf-Dietrich Weber | 2002-07-16 |
| 6376577 | Laser-markable plastics | Helge Kniess, Dieter Heinz, Reiner Delp, Gerhard Pfaff | 2002-04-23 |