Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336817 | Method of preparing 1,1,1,2-tetrafluoroethane | Johannes Eicher, Matthias Rieland, Werner Rudolph | 1994-08-09 |
| 5283381 | Process for preparing fluorine-containing ethane derivatives | Johannes Eicher, Werner Rudolph | 1994-02-01 |
| 5227546 | Process for preparing fluorine-containing ethane derivatives | Johannes Eicher, Werner Rudolph, Hans-Walter Swidersky | 1993-07-13 |