Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371831 | Azo dyestuffs | Martin Oberholzer | 2008-05-13 |
| 6797016 | Dye composition, their production and their use | Georg Schofberger, Klaus Korte | 2004-09-28 |
| 6221113 | Liquid dyestuff compositions | — | 2001-04-24 |
| 6140478 | Basic azo compounds, their production and use | Helmut Moser, Reinhard Pedrazzi | 2000-10-31 |
| 5665746 | Mono- and bicyclic DNA gyrase inhibitors | Erwin Gotschi, Paul Hebeisen, Helmut D. Link, Thomas Lubbers | 1997-09-09 |