Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398157 | Energy-efficient solvent-free method for producing metal chelates | Dieter Kaufmann, Roman Florescu, Birgit Wawrzinek | 2025-08-26 |
| 11649252 | Energy-efficient solvent-free method for producing metal chelates | Dieter Kaufmann, Roman Florescu, Birgit Wawrzinek | 2023-05-16 |