Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264128 | Water purification process | Markus Thuer, Gerhard Stucki | 1993-11-23 |
| 5082475 | Waste air purification process | — | 1992-01-21 |
| 5064763 | Biological process for purifying waste air | — | 1991-11-12 |
| 4441896 | Process for recovering organic substances from spent air vapors | Christian Schori | 1984-04-10 |
| 4323372 | Process for recovering nitrobenzene, dichlorobenzene and/or trichlorobenzene from exhaust gases, in particular spent air | Volker Fattinger | 1982-04-06 |