Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9090567 | Process for preparing ionic liquids by anion exchange | Michael Siemer, Diana Fürst, Günter Forster | 2015-07-28 |
| 8927737 | Process for purifying ionic liquids | Michael Siemer, Sunghee Son, Klemens Massonne, Uwe Vagt | 2015-01-06 |
| 8791271 | Process for preparing polymeric, ionic imidazolium compounds | Michael Siemer, Sebastian Koltzenburg | 2014-07-29 |
| 4373023 | Process for neutralizing heparin | Robert S. Langer, Robert J. Linhardt, Charles L. Cooney, Parrish M. Galliher, Margaret M. Flanagan | 1983-02-08 |