Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456535 | Process for the removal of urea, ammonia, and carbon dioxide from dilute aqueous solutions | Jan Zuidam, Petrus J. M. van Nassau, Kees Jonckers | 1984-06-26 |
| 4348520 | Method for the preparation of melamine | Johannes G. van Hinsberg, Rudolf van Hardeveld, Dominique Moreau | 1982-09-07 |