Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10899866 | Process for producing a ring-opening polymerization product | Sophie PUTZIEN, Heimo Woelfle | 2021-01-26 |
| 10059685 | 2-hydroxyethyl 2-oxo-1,3-dioxolane-4-carboxylates, their preparation and use | Sophie PUTZIEN, Burkhard Walther | 2018-08-28 |
| 9643948 | 2-oxo-1,3-dioxolane-4-acyl halides, their preparation and use | Sophie PUTZIEN, Heimo Wölfle, Burkhard Walther | 2017-05-09 |
| 9309218 | 2-Oxo-1,3-dioxolane-4-carboxamides, their preparation and use | Heimo Woelfle, Burkhard Walther, Sophie PUTZIEN | 2016-04-12 |