Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4568523 | Moving catalyst bed reactor | Gerrit J. Pronk, Arie P. Den Hartog | 1986-02-04 |
| 4259294 | Apparatus for the hydrogenation of heavy hydrocarbon oils | Wouter C. Van Zijll Langhout, Abraham A. Pegels | 1981-03-31 |
| 4229418 | Apparatus for the catalytic treatment of hydrocarbons | Abraham A. Pegels, Arnold Wezenberg | 1980-10-21 |