Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459016 | Method for the production of phthalocyanine pigment preparations | Joachim Weber, Heidrun Mehler | 2008-12-02 |
| 7348372 | Method for distortion-free pigmentation of partly-crystalline plastics with phthalocyanine pigments | Hans Joachim Metz, Thomas Hundsdorf, Andreas Stohr | 2008-03-25 |
| 7255734 | Phthalocyanine pigment preparations | Joachim Weber | 2007-08-14 |
| 6918958 | Acid pigment dispersants and pigment preparations | Joachim Weber, Gerhard Wilker, Erwin Dietz | 2005-07-19 |
| 6537364 | Process for fine division of organic pigments by precipitation | Erwin Dietz, Joachim Weber, Dieter Schnaitmann, Christian Wille, Leonhard Unverdorben | 2003-03-25 |