Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Klaus Holzer +1 more | 1992-12-22 |
| 4992404 | Carbon-based catalyst useful in gas-solid reactions | Werner Pusch, Siegbert Humberger, Goetz-Gerald Borger | 1991-02-12 |
| 4910005 | Process for the reduction of nitrogen oxides from exhaust gases | Hans-Hermann Heins, Klaus Holzer, Michael Bueb | 1990-03-20 |