Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6015448 | Process for pig iron desulphurization | Heinz-Peter Kaiser, Niclas Muller | 2000-01-18 |
| 4564692 | Process for recovering pure crystalline monoanhydrohexitols and dianhydrohexitols | John Feldmann, Hubert Koebernick, Hans-Ulrich Woelk | 1986-01-14 |
| 4488936 | Heat input control of an extractive distillation column | Gerhard Preusser, Martin Schulze | 1984-12-18 |