Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12091503 | Polyarylene ether | Martin Weber, Rene Backes, Christian Maletzko | 2024-09-17 |
| 11208375 | Process for making solid methylglycine diacetate (MGDA) alkali metal salt, and solid particles | Somnath Shivaji Kadam, Frank Jaekel, Lothar Karrer | 2021-12-28 |
| 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 |
| 10214485 | Method of reprocessing alkanesulfonic acid | Jan SPIELMANN, Michael Koch, Juergen Wortmann, Sabine Weiguny, Robert Sengpiel | 2019-02-26 |
| 9458080 | Process for obtaining acrylic acid | Nicolai Tonio Woerz, Lukas SCHULZ, Tim Blaschke, Marco Hartmann, Yan Li | 2016-10-04 |