Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820862 | Process for the preparation of dimethyl terephthalate | Karl Irlweck, Rudolf Cordes | 1989-04-11 |
| 4372875 | Method for obtaining and reusing of oxidation catalyst in the Witten DMT process | Heinrich Bunger, Rudolf Cordes | 1983-02-08 |
| 4346230 | Process for the preparation of dimethyl terephthalate | Rudolph Cordes, Wolfgang Merkel | 1982-08-24 |