Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797752 | Use of whitening pigments for whitening paper coating compositions | — | 2004-09-28 |
| 6723846 | Triazinylaminostilbene derivative as fluorescent whitening agents | Georges Metzger, Serge Hauger, Fabienne Cuesta, Christophe Bulliard, Marc Roger Grienenberger | 2004-04-20 |