Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616859 | Preparation of alcoholic solutions of alkali metal alkoxides | Leonhard Unverdorben, Joachim Weber, Erwin Dietz, Juergen Patzlaff | 2003-09-09 |
| 6566519 | Preparation of diketopyrrolopyrrole pigments | Leonhard Unverdorben, Joachim Weber, Erwin Dietz, Juergen Patzlaff | 2003-05-20 |
| 6562121 | Conditioning of organic pigments | Klaus Kund, Erwin Dietz, Joachim Weber, Olaf Schupp | 2003-05-13 |