Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810365 | Hydrogenation of mineral oils contaminated with chlorinated hydrocarbons | Rolf Holighaus, Klaus Niemann | 1989-03-07 |
| 4639310 | Process for the production of reformer feed and heating oil or diesel oil from coal by liquid-phase hydrogenation and subsequent gas-phase hydrogenation | Ludwig Merz, Heinz Frohnert, Bernd Uckermann, Ulrich Graeser, Alfons Jankowski +3 more | 1987-01-27 |
| 4629550 | Catalytic reforming of gasoline feedstocks | Alfons Jankowski, Albert Fehrer | 1986-12-16 |