Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8329369 | Method for the production of pure C.I. pigment orange 74 | Willi Rauschmann | 2012-12-11 |
| 7348372 | Method for distortion-free pigmentation of partly-crystalline plastics with phthalocyanine pigments | Hans Joachim Metz, Klaus Brychcy, Andreas Stohr | 2008-03-25 |
| 7153358 | Pigment preparations based on diketopyrrolopyrrole pigments for the undistorted pigmentation of partially crystalline plastics | Joachim Weber, Matthias Ganschow | 2006-12-26 |