Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818205 | Use of fluorescent whitening agents | Dieter Reinehr, Helmut Luther | 2004-11-16 |
| 6723846 | Triazinylaminostilbene derivative as fluorescent whitening agents | Serge Hauger, Fabienne Cuesta, Christophe Bulliard, Peter Rohringer, Marc Roger Grienenberger | 2004-04-20 |