Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7632969 | Process for the preparation of perfluoroalkylphosphines and the use thereof as perfluoroalkylating reagents | Urs Welz-Biermann, Nikolai (Mykola) Ignatyev, Michael Weiden, Michael Schmidt, Udo Heider +2 more | 2009-12-15 |
| 7208626 | Method for the production of perfluoroalkyl phosphines and the use thereof as perfluoroalkylating reactants | Urs Welz-Biermann, Nikolai (Mykola) Ignatyev, Michael Weiden, Michael Schmidt, Udo Heider +2 more | 2007-04-24 |
| 6348355 | Testing element for the colorimetric determination of oxidizable components in gas mixtures | Wolfgang Bather, Ralf Miethchen | 2002-02-19 |