Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730827 | Process for purifying alkanesulfonic anhydride and process for producing alkanesulfonic acid using the purified alkanesulfonic anhydride | Juergen Wortmann, Jan SPIELMANN, Katharina FEDERSEL | 2020-08-04 |
| 10577312 | Process for purifying alkanesulfonic acids | Jan SPIELMANN, Michael Koch, Juergen Wortmann, Sabine Weiguny, Frieder Borgmeier | 2020-03-03 |