Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901502 | Dispersion which contains at least 2 types of particles | Herbert Barthel, Mario Heinemann, Torsten Gottschalk-Gaudig, Stephan Loskot, Ute Voelkel | 2011-03-08 |
| 5851604 | Interference pigments comprising molecules fixed in a cholesteric configuration, and use thereof | Christoph Muller-Rees, Silvia Jung, Walter Goeblmeier | 1998-12-22 |
| 4902570 | Process for preparing highly dispersed metal oxides whose surfaces are modified by an ammonium-functional organopolysiloxane as a positive chargeable controlling agent for toners | Mario Heinemann, Johann Bindl, Hans-Peter Scherm | 1990-02-20 |