Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112472 | Process for converting hydrocarbon oils | Johan Willem Gosselink, Lucas R. Groeneveld | 1992-05-12 |
| 5106549 | Titania extrudates | Jacobus T. Daamen, Johannes Anthonius Robert Van Veen | 1992-04-21 |
| 5006496 | Process for the preparation of zeolitic catalysts | Tom Huizinga, Arend Hoek, Aan Hendrik Klazinga | 1991-04-09 |
| 4795726 | Method for the regeneration of spent alumina-based catalysts | Herman W. Kouwenhoven | 1989-01-03 |