Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893622 | Process for the combustion of sulphur for the preparation of oleum and sulphuric acid with reduced (NO)x content | Klaus-Peter Grabowski, Günter Dräger, Martin Kürten, Martin Schweitzer | 2005-05-17 |
| 5695716 | Austenitic alloys and use thereof | Michael Köhler, Ulrich Heubner, Michael Renner | 1997-12-09 |
| 5389354 | Process for the production of oleum and sulfuric acid | Karl Brandle, Klaus Geisler, Gunter Putz, Klaus-Peter Grabowski | 1995-02-14 |