Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713656 | Preparation of diacetals of glyoxal | Gunnar Heydrich, Hermann Putter, Andreas Fischer, Jörg Botzem | 2004-03-30 |
| 6696602 | Method for the production of phosphonomethylglycine | Thomas Butz, Martin Fischer | 2004-02-24 |