Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9045644 | Solid pigment preparations containing water-soluble surface-active polyurethane-base additives | Hans Ulrich Reisacher, Christian Krueger, Uwe Mauthe, Raimund Schmid | 2015-06-02 |
| 7198667 | Solid pigment preparations containing pigment derivatives and surface-active additives | Ingo Klopp, Uwe Mauthe, Hansulrich Reisacher, Andreas Stohr | 2007-04-03 |
| 5942030 | Pigment preparation | Peter Schuhmacher, Karl Siemensmeyer, Norbert Schneider | 1999-08-24 |
| 5324354 | Pigment formulations containing a pigment, a colorant having an external basic group and a surfactant | Joachim Jesse, Gustav Bock, Paul Guenthert | 1994-06-28 |