Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362469 | Preparation of ultrapure hydrogen fluoride | Ulrich Seseke-Koyro, Andreas Grossmann | 1994-11-08 |
| 5356611 | Method of recovering iodine | Ralf Herkelmann, Dirk Seffer | 1994-10-18 |
| 5336817 | Method of preparing 1,1,1,2-tetrafluoroethane | Johannes Eicher, Karl-Heinz Fazniewscy, Matthias Rieland | 1994-08-09 |
| 5315046 | Process for preparing ethane derivatives | Guenter Fernschild, deceased, Carsten Brosch | 1994-05-24 |
| 5300709 | Process for working up a hydrogen fluoride phase from a fluorination reaction mixture | Johannes Eicher, Bernhard Schulte | 1994-04-05 |
| 5283381 | Process for preparing fluorine-containing ethane derivatives | Johannes Eicher, Karl-Heinz Fazniewscy | 1994-02-01 |