Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013705 | Platinum-free three-way catalyst | Edgar Koberstein, Rainer Domesle, Herbert Voelker | 1991-05-07 |
| 5001103 | Rhodium-free three-way catalyst | Edgar Koberstein, Rainer Domesle, Herbert Voelker | 1991-03-19 |
| 4987112 | Catalyst to eliminate noxious substances contained in the exhaust gases of predominantly alcohol fueled internal combustion engines, a process for its preparation, and uses | Edgar Koberstein, Egbert Lox, Herbert Voelker | 1991-01-22 |
| 4963332 | Method for the catalytic removal of nitrogen oxides from exhaust gases by means of a reducing agent | Reinhold Brand, Peter Kleine-Moellhoff, Edgar Koberstein | 1990-10-16 |
| 4963521 | Exhaust-gas catalyst with reduced tendency to store sulfur oxides and to emit hydrogen sulfide and process for preparing the catalyst | Edgar Koberstein, Egbert Lox | 1990-10-16 |
| 4900517 | Apparatus for the purification of exhaust gas from diesel motors | Rainer Domesle, Edgar Koberstein, Herbert Volker | 1990-02-13 |
| 4859428 | Apparatus for the containment of monolithic catalysts | Reinhold Brand, Peter Kleine-Moellhoff, Edgar Koberstein | 1989-08-22 |
| 4828807 | Method for the purification of exhaust gas from diesel motors | Rainer Domesle, Edgar Koberstein, Herbert Volker | 1989-05-09 |
| 4814146 | Device for the containment of monolithic catalysts | Reinhold Brand, Peter Kleine-Moellhoff, Edgar Koberstein | 1989-03-21 |
| 4744967 | Process for the purification of exhaust gases containing oxides of nitrogen and sulfur | Reinhold Brand, Peter Kleine-Moellhoff, Edgar Koberstein, Herbert Voelker | 1988-05-17 |