Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7037475 | Precipitated silica particles for cat litter | Willem Dokter, Nicolaas H. M. Leliveld, Jürgen Koltzer | 2006-05-02 |
| 5226943 | Herbicides and fungicides containing activity promoting additives | — | 1993-07-13 |