Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695634 | Process for catalytic treatment of waste water as well as a process for regenerating a catalyst | Alfred Ottmann, Hubert Schindler | 1997-12-09 |
| 5676845 | Process for catalytic treatment of effluents containing organic and inorganic compounds, preferably from epichlorohydrin production | Helmut Derleth, Karl-Heinz Bretz, Hubert Schindler, Alfred Ottmann | 1997-10-14 |