Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7576242 | Process for the preparation of organic salts containing bis(perfluoroalkyl) phosphinate anions | Nikolai Mykola Ignatyev, Urs Welz-Biermann, Andriy Kucheryna | 2009-08-18 |
| 7550491 | Ionic liquids having [N(CF3)2]− anions | Nikolai Ignatyev, Urs Welz-Biermann, Michale Schmidt, Andriy Kucheryna | 2009-06-23 |
| 7541488 | Process for the preparation of mono- and bis(fluoroalkyl)phosphoranes and the corresponding acids and phosphates | Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Michael Schmidt, Andriy Kucheryna | 2009-06-02 |
| 7439395 | Process for the preparation of guanidinium salts | Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, German Bissky | 2008-10-21 |
| 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 |
| 7202379 | Process for the preparation of bis(perfluoroalkyl)phosphinic acids and salts thereof | Urs Welz-Biermann, Nikolai (Mykola) Ignatyev, Michael Weiden, Udo Heider, Andri Kucheryna +1 more | 2007-04-10 |
| 7145004 | Method for the production of monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates | Nikolai (Mykola) Ignatyev, Michael Weiden, Urs Welz-Biermann, Udo Heider, Peter Sartori +1 more | 2006-12-05 |
| 7094328 | Strong acids, process for the preparation thereof, and uses thereof | Nikolai (Mykola) Ignatyev, Michael Schmidt, Andreas Kuhner, Volker Hilarius, Udo Heider +2 more | 2006-08-22 |
| 6815119 | Tetrakisfluoroalkylborate salts and their use as conducting salts | Michael Schmidt, Andreas Kuehner, Eduard Bernhardt | 2004-11-09 |
| 4827134 | Device for collecting samples | Arno Simon | 1989-05-02 |