Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8703865 | Method for production of polymer-encapsulated pigments | Matthias Ganschow, Hans Joachim Metz, Ulrike Rohr, Katharina Landfester | 2014-04-22 |
| 8021716 | Polyelectrolyte-encapsulated pigments | Hans Joachim Metz, Carsten Plueg, Gerald Mehltretter, Andreas Voigt, Lars Daehne +2 more | 2011-09-20 |
| 7855041 | Pigment preparation based on an azo pigment | Joachim Weber, Patrick Hoetzel, Frank Alfter | 2010-12-21 |
| 7416596 | Use of a pigment composition comprising mixed crystals based on CI pigment yellow 74 | David Blum, Felix Grimm, Martin Schmidt, Josef Geisenberger | 2008-08-26 |
| 7384472 | Pigment preparations based on PY 155 | Jean-Philippe Lerch, Laurent Pourcheron | 2008-06-10 |