Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10280308 | Effect pigments | Johann Dietz, Nicole HAFERKORN, Gerhard Pfaff, Doreen McFarlane | 2019-05-07 | $261,874,000 |
| 7255736 | Effect pigments based on thin SiO2 flakes | Gerhard Pfaff, Doreen Warthe, Johann Dietz | 2007-08-14 | $177,306,000 |
| 7169223 | Effect pigments having a strong color flop | Gerhard Pfaff, Doreen Warthe, Johann Dietz | 2007-01-30 | $42,279,000 |
| 7156913 | Intensely colored red effect pigments | Gerhard Pfaff, Doreen Warthe, Johann Dietz | 2007-01-02 |