Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861364 | Cleaning composition | Lucas Petrus Simon Keyzer | 1999-01-19 |
| 5661209 | Paint formulations | Geert Johannes Maria Bijl, Peter Koenders, Johanna Maria Helena Van Den Tol-Kershof | 1997-08-26 |
| 5062970 | Surfactant composition | Herman M. Muijs, Sebastianus P. F. M. Roefs | 1991-11-05 |