Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489502 | Process for preparing phosphoric acid esters | Manfred Pieroth, Dieter Heinz, Werner Bäcker | 2002-12-03 |
| 6420465 | Process for preparing phosphoric acid esters | Reinhard Pech, Andreas Chrisochoou, Dieter Heinz, Werner Bäcker, Kaspar Hallenberger | 2002-07-16 |