Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336817 | Method of preparing 1,1,1,2-tetrafluoroethane | Karl-Heinz Fazniewscy, Matthias Rieland, Werner Rudolph | 1994-08-09 |
| 5300709 | Process for working up a hydrogen fluoride phase from a fluorination reaction mixture | Werner Rudolph, Bernhard Schulte | 1994-04-05 |
| 5283381 | Process for preparing fluorine-containing ethane derivatives | Karl-Heinz Fazniewscy, Werner Rudolph | 1994-02-01 |