Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616750 | Ternary pigment compositions | Roman Lenz, Olof Wallquist | 2003-09-09 |
| 6066202 | Diketopyrrolopyrrole compositions | Olof Wallquist | 2000-05-23 |
| 5738719 | Pigment compositions of diketopyrrolopyrroles | Olof Wallquist, Gary Wooden | 1998-04-14 |
| 5672716 | Yellow diketopyrrolopyrrole pigments | Bernd Lamatsch, Olof Wallquist | 1997-09-30 |
| 5650520 | Crystal modification of a diketopyrrolopyrrole pigment | Zhimin Hao, Abul Iqbal | 1997-07-22 |
| 5492564 | Diketopyrrolopyrrole pigment with high chroma | Gary Wooden, Olof Wallquist | 1996-02-20 |
| 5476949 | Finely divided highly transparent diketopyrrolopyrrole pigments | Olof Wallquist, Gary Wooden, Thomas Eichenberger | 1995-12-19 |