Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593594 | Ter material and process for removing ozone from gases and liquids | Heinz Strutz, Dietrich Fleischer, Andreas Schleicher | 1997-01-14 |
| 5591893 | Process for the preparation of polycarboxylic acids and derivatives thereof | Heinz Strutz | 1997-01-07 |