Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077223 | Method for producing monoethylene glycol | Alexander Duefert, Michael REISER, Philipp Brüggemann, Gerhard Theis | 2018-09-18 |
| 9975829 | Method for the preparation of 1,4-butane diol having an APHA color index of less than 30 | Olga Osetska, Irene de Wispelaere, Stefan Dudenhoeffer, Christina Walczuch | 2018-05-22 |
| 9923194 | Process for purifying N-alkylpyrrolidones | Thomas Vogler, Karl-Heinz Ott | 2018-03-20 |