Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5891410 | Process for the purification of an oxidation off gas | Rudolf Modic, Hermann-Josef Korte, Anton Schoengen, Johann H. Schroeder | 1999-04-06 |
| 4755295 | Multistage arrangement for countercurrent separation and methods of operating same | Friedrich Donhauser, Anton Schoengen, Johann H. Shroeder | 1988-07-05 |
| 4707274 | Multistage arrangement for countercurrent separation and methods of operating same | Friedrich Donhauser, Anton Schoengen, Johann H. Schroeder | 1987-11-17 |
| 4642369 | Process for the production of dimethyl terephthalate from p-xylene and methanol | Rudolf Modic, Anton Schoengen, Ralf Wirges | 1987-02-10 |
| 4642377 | Process for producing terephthalic acid from p-xylene and methanol by way of dimethyl terephthalate | Rudolf Modic, Anton Schoengen, Ralf Wirges | 1987-02-10 |