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 Schmidt, Udo Heider, Alexej Miller +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 Schmidt, Udo Heider, Alexej Miller +2 more | 2007-04-24 |
| 7202379 | Process for the preparation of bis(perfluoroalkyl)phosphinic acids and salts thereof | Urs Welz-Biermann, Nikolai (Mykola) Ignatyev, Udo Heider, Andri Kucheryna, Helge Willner +1 more | 2007-04-10 |
| 7145004 | Method for the production of monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates | Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Udo Heider, Peter Sartori, Andriy Kucheryna +1 more | 2006-12-05 |