Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973775 | Method for desulfating a nitrogen oxide storage catalyst | Michael Hoffmann, Harald Klein, Klaus-Ingo Prieger | 2005-12-13 |
| 6938411 | Method for removing nitrogen oxides and particulates from the lean exhaust gas of an internal combustion engine and exhaust gas emission system | Michael Hoffmann, Harald Klein, Adolf Schafer-Sindlinger | 2005-09-06 |
| 6875725 | Exhaust-gas purification catalyst to be used close to the engine and process for its production | Dieter Lindner, Lothar Mussmann, Martin Votsmeier, Egbert Lox | 2005-04-05 |
| 6843971 | Process and catalyst for reducing nitrogen oxides | Adolf Schafer-Sindlinger, Marcus Pfeifer, Paul Spurk, Yvonne Demel, Egbert Lox | 2005-01-18 |