Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9078433 | Insecticidal formulations with improved long-term effect on surfaces | Johan Kijlstra, Frank Rosenfeldt, Guenther Nentwig, Volker Gutsmann, Rainer Sonneck | 2015-07-14 |
| 8815269 | Insecticidal formulations with improved long-term effect on surfaces | Johan Kijlstra, Frank Rosenfeldt, Guenther Nentwig, Volker Gutsmann, Rainer Sonneck | 2014-08-26 |