Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5945080 | Catalyst and process for its production | Martin Hartweg, Andrea Seibold, Leonhard Walz, Thomas Fetzer, Bernd Morsbach +1 more | 1999-08-31 |
| 5851501 | Process for absorbing and desorbing nitrogen oxides in exhaust gases | Bernd Krutzsch, Andrea Seibold, Leonhard Walz, Walter Boegner, Martin Hartweg +1 more | 1998-12-22 |
| 5750460 | Catalyst and process for its production | Martin Hartweg, Andrea Seibold, Leonhard Walz, Thomas Fetzer, Bernd Morsbach +1 more | 1998-05-12 |
| 5580534 | Zeolite-spinel catalyst for the reduction of nitrogen oxides and the process thereof | Martin Hartweg, Andrea Seibold, Leonhard Walz | 1996-12-03 |