Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425219 | Method for the production of liquid carbon compounds from coal | Erik Kroo, Laszlo Kovacs, Istvan Nemes, Katalin Szabo nee Mogyorosi, Geza Szentgyorgyi +4 more | 1984-01-10 |
| 4368333 | Method for the chemical utilization of coal by liquid phase oxidation | Laszlo Kovacs, Dezso Gal, Peter Hajdu, Julia Lukacs, Erik Kroo +6 more | 1983-01-11 |