Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797014 | Lighfastness-improvement of dyeings on aluminum oxide layers | Günther Tscheulin | 2004-09-28 |
| 6797016 | Dye composition, their production and their use | Klaus Korte, Jurgen Geiwiz | 2004-09-28 |
| 6319289 | Organic compounds | — | 2001-11-20 |