Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616990 | Chiral 1, 3-dioxane compounds | Frank Prechtl, Sylke Haremza, Robert Parker, Kathrin Kürschner, Volkmar Vill +1 more | 2003-09-09 |
| 6605235 | Cholesteric layered material having an improved color impression, and the production thereof | Frank Prechtl, Norbert Schneider, Peter Heilmann, Volker Koch, Robert Parker +2 more | 2003-08-12 |
| 6582781 | Multilayer cholesteric pigments | Peter Schuhmacher, Norbert Schneider, Volker Richter, Harald Keller, Gunter Bettinger +3 more | 2003-06-24 |
| 6569355 | Chiral compounds, and their use as chiral dopants for the preparation of cholesteric liquid-crystalline compositions | Frank Prechtl, Sylke Haremza, Robert Parker, Volkmar Vill, Gunnar Gesekus | 2003-05-27 |
| 6531221 | Multilayer cholesteric pigments | Peter Schuhmacher, Norbert Schneider, Raimund Schmid, Wolfgang Best, Peter Blaschka | 2003-03-11 |