Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497971 | Mixtures of fluorescent whitening agents | Jean-Jacques Donze, Marie Meyberger, Michael Milde, Josef Zelger | 2009-03-03 |
| 7425222 | Process for improving the sun protection factor of cellulosic fibre material | Georges Metzger, Jean-Jacques Donze, Hans Kramer, Serge Hauger, Michael Milde +4 more | 2008-09-16 |