Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818205 | Use of fluorescent whitening agents | Dieter Reinehr, Georges Metzger | 2004-11-16 |
| 6800762 | Indolin derivaties as sun protection agents | Rudolf Zink | 2004-10-05 |
| 6746666 | Micropigment mixture | — | 2004-06-08 |