Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646331 | Process for working up residues from the raw ester distillation in the preparation of dimethyl terephthalate(DMT) | Ralf Thiel | 1997-07-08 |
| 4596895 | Process for the catalytic preparation of alkali alcoholates | Peter Schmittinger, Ruolf Stephan | 1986-06-24 |