Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9963425 | Betaines with special fatty acid chain distribution | Maria Jaworska-Maslanka, Oliver Springer, Dominik Schuch, Ralf Klein | 2018-05-08 |
| 8138372 | Zwitterionic compounds and use thereof | Sascha Herrwerth, Hans Henning Wenk, Burghard Gruning, Petra Allef | 2012-03-20 |
| 7297675 | Process for the preparation of highly concentrated flowable aqueous solutions of betaines | Petra Allef, Burghard Gruning, Ralf Klein, Jörg Peggau | 2007-11-20 |
| 7163916 | Process for the preparation of highly concentrated flowable aqueous solutions of betaines | Petra Allef, Burghard Gruning, Ralf Klein, Jörg Peggau | 2007-01-16 |
| 5354906 | Aqueous liquid solution of a betaine with a solids content of at least 40% by weight | Christian Weitemeyer, Willi Foitzik, Hans-Dieter Kaseborn, Burghard Gruning | 1994-10-11 |