Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489502 | Process for preparing phosphoric acid esters | Nikolaus Janke, Manfred Pieroth, Werner Bäcker | 2002-12-03 |
| 6420465 | Process for preparing phosphoric acid esters | Nikolaus Janke, Reinhard Pech, Andreas Chrisochoou, Werner Bäcker, Kaspar Hallenberger | 2002-07-16 |
| 6376577 | Laser-markable plastics | Helge Kniess, Reiner Delp, Gerhard Pfaff, Matthias Kuntz | 2002-04-23 |