Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500251 | Multi-coated interference pigments | Stephanie Andes, Gerd Bauer, Gunter Brenner, Michael Schmelz, Andrea Heyland +3 more | 2002-12-31 |
| 6284032 | Multilayer interference pigments | Stephanie Andes, Gerd Bauer, Gunter Brenner, Michael Schmelz, Andrea Heyland +3 more | 2001-09-04 |
| 6280520 | Multilayer pearl luster pigment based on an opaque substrate | Stephanie Andes, Gerald Fuchs-Pohl, Matthias Kuntz, Gerhard Pfaff, Reiner Vogt | 2001-08-28 |
| 6238472 | Metal oxide coated titanium dioxide lamellas | Stephanie Andes, Gerd Bauer, Gunter Brenner, Michael Schmelz, Andrea Heyland +3 more | 2001-05-29 |
| 5985020 | Plate-like titanium dioxide reduction pigment | Stefanie Andes, Sabine Hock, Gunter Brenner, Andrea Heyland, Matthias Kuntz +3 more | 1999-11-16 |
| 5972098 | Titanate-containing pearlescent pigments | Stefanie Andes, Sabine Hock, Gunter Brenner, Andrea Heyland, Matthias Kuntz +3 more | 1999-10-26 |
| 5858078 | Platelet-shaped titanium dioxide pigment | Stefanie Andes, Gerd Bauer, Gunter Brenner, Andrea Heyland, Matthias Kuntz +3 more | 1999-01-12 |