Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763521 | Preparation of an aqueous polymer dispersion | Peter Claassen, Onno Graalmann, Wolfgang Alois Hormuth | 1998-06-09 |
| 5733944 | Aqueous polymer dispersions | Roelof Balk, Peter Claassen, Onno Graalmann, Leonardus Aan de Meulen | 1998-03-31 |