Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6776835 | Multilayer pigments based on coated metal platelets | Stephanie Andes, Sabine George, Margarete Herbski, Reiner Vogt, Johann Dietz +2 more | 2004-08-17 | $90,683,000 |
| 6767633 | Transparent medium having angle-selective transmission or reflection properties and/or absorption properties | Elke Steudel, Hans-Dieter Bruckner, Gerhard Pfaff, Christoph Schmidt, Carsten Brabänder +1 more | 2004-07-27 | $153,588,000 |
| 6719837 | Pearlescent pigments | Stephane Bertaux, Jens-Uwe Wichmann, Eberhard Schweda | 2004-04-13 | $288,116,000 |
| 6656259 | Multilayered interference pigments | Gerhard Pfaff, Helge Kniess | 2003-12-02 | $100,348,000 |
| 5928780 | Laser-markable plastics comprising non-platelet phyllosilicate | Christoph Schmidt, Sabine Schoen | 1999-07-27 | $152,441,000 |
| 5356471 | Pigments of dark surface color | — | 1994-10-18 | $33,505,000 |
| 5344488 | Pigments | Hans-Dieter Bruckner | 1994-09-06 | $44,937,000 |