Issued Patents 2005
Showing 1–1 of 1 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 |