Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835242 | Conditioning of organic pigments | Uwe Nickel, Klaus Kund, Erwin Dietz, Olaf Schupp | 2004-12-28 |
| 6816866 | Method of changing a parameter of an operating system of a computer system | — | 2004-11-09 |
| 6723138 | Preparation of diketopyrrolopyrrole pigments | Uwe Nickel, Leonhard Unverdorben, Erwin Dietz, Juergen Patzlaff | 2004-04-20 |