Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820761 | Process for the treatment of organic pollutants in wastewaters by wet oxidation | Otto Horak, Thomas Melin | 1998-10-13 |
| 5720578 | Oxidative cleaning process of contaminated slurries or slurried earth | Otto Horak, Thomas Melin | 1998-02-24 |
| 5173466 | Catalyst for the reduction of nitrogen oxides from waste gases and a process for its production | Hans-Hermann Heins, Peter Danz, Martin Ullrich, Hanno Henkel, Eberhard Zirngiebl +1 more | 1992-12-22 |
| 4910005 | Process for the reduction of nitrogen oxides from exhaust gases | Hans-Hermann Heins, Siegfried Gruhl, Michael Bueb | 1990-03-20 |