Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741822 | Procedure for hydrogenation of coal by means of liquid phase and fixed-bed catalyst hydrogenation | Rainer Loring, Frank Friedrich, Bernd Strobel | 1988-05-03 |
| 4696735 | Method and apparatus for multiphase coal hydrogenation reactors with exothermal heat of reaction having gas cooling in sump-phase reactors | Frank Mirtsch, Herbert Dybus | 1987-09-29 |
| 4675102 | Process for producing a diesel fuel from medium heavy oil obtained from coal | Klaus-Dieter Dohms | 1987-06-23 |
| 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 | Werner Dohler, Ludwig Merz, Heinz Frohnert, Bernd Uckermann, Ulrich Graeser +3 more | 1987-01-27 |
| 4636300 | Integrated gas-phase hydrogenation process using heat recovered from sump-phase hydrogenation for temperature regulation | Frank Mirtsch | 1987-01-13 |
| 4602992 | Coal hydrogenation process with integrated refining stage | Josef Langhoff, Frank Mirtsch | 1986-07-29 |
| 4597851 | Process for the utilization of waste waters in the hydrogenation of coal | Hans-Friedrich Tamm | 1986-07-01 |
| 4555325 | Method for interconnecting thermally and pressure-stressed multi-phase reactors | Frank Mirtsch | 1985-11-26 |