Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8641870 | Method for surface treatment of a titanium dioxide pigment | Volker Jürgens, Janine Siekman, Alexander Breyder, Volker Schmitt | 2014-02-04 |
| 7842131 | High opacity TiO2 pigment and production method | Lydia Drews-Nicolai, Volker Jürgens, Volker Schmitt | 2010-11-30 |
| 7288146 | Titanium dioxide pigment coated with hollow bodies and method for its manufacture | Lydia Drews Nicolai | 2007-10-30 |
| 7150421 | Jet mill | Volker Jürgens, Hans-Ulrich Schwanitz, Siegfried Wensing | 2006-12-19 |
| 6962622 | Titanium dioxide pigment composition | Jürgen Bender, Volker Schmitt, Brigitte Vielhaber-Kirsch | 2005-11-08 |
| 6340387 | Organically post-treated pigments and methods for their production | Jürgen Orth-Gerber, Lothar Elfenthal | 2002-01-22 |
| 5540907 | Process for preparing high solids content titanium dioxide suspension with a dechlorinating agent | Achim Hartmann, Hans Thumm, Hans-Hermann Luginsland, Franz Rosendahl | 1996-07-30 |
| 5393510 | High solids content titanium dioxide suspension | Achim Hartmann, Hans Thumm, Hans-Hermann Luginsland, Franz Rosendahl | 1995-02-28 |