Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727308 | Laser-markable plastics | Helge Kniess, Reiner Delp, Gerhard Pfaff, Matthias Kuntz | 2004-04-27 |
| 6673329 | Process for preparing fluorosulfonic acid having low contents of low-boiling compounds | Andreas Bulan, Michael Batz, Kasper Hallenberger | 2004-01-06 |