Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828159 | Carbopyronine fluorescent dyes | Karl-Heinz Drexhage, Jörg Frantzeskos, Alexander Zilles | 2004-12-07 |
| 6737280 | Amidopyrylium fluorescence dyes | Karl-Heinz Drexhage, Norbert Kemnitzer | 2004-05-18 |