Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343742 | Process for the manufacture of 2,3-perfluoro-1,4-dioxanes as well as some special representatives of compounds of this class | Gunter Siegemund, Werner Schwertfeger | 1982-08-10 |
| 4287124 | Process for the preparation of 4,5-perfluoro-1,3-dioxalanes | Gunter Siegemund | 1981-09-01 |