Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122257 | Process for the manufacture of kerosene and/or gas oils | Henricus J. A. Van Helden, Niels Fabricius | 1992-06-16 |
| 4764265 | Process for the manufacture of lubricating base oils | Martinus M. P. Janssen | 1988-08-16 |
| 4622129 | Process for the manufacture of lubricating base oils | Gerhard G. Bayle, Martinus M. P. Janssen | 1986-11-11 |
| 4385984 | Lubricating base oil compositions | Alphonsus Morcus | 1983-05-31 |
| 4385193 | Process for the preparation of middle distillates | Michael A. M. Boersma, Swan T. Sie | 1983-05-24 |