Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488756 | Pigment mixture | Sabine Schoen, Norbert Schül, Karl Osterried, Uta Maurer | 2002-12-03 |
| 6419736 | Sulfide and oxysulphide pigments | Gerhard Pfaff, Matthias Kuntz, Rodney Riddle, Sabine Schoen, Wolf-Dietrich Weber | 2002-07-16 |