Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357304 | Moving catalyst bed reactor | Matheus M. van Kessel | 1982-11-02 |
| 4259294 | Apparatus for the hydrogenation of heavy hydrocarbon oils | Wouter C. Van Zijll Langhout, Joannes B. Wijffels | 1981-03-31 |
| 4229418 | Apparatus for the catalytic treatment of hydrocarbons | Joannes B. Wijffels, Arnold Wezenberg | 1980-10-21 |