Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271919 | Process for the thermal decomposition of metal sulphates | Gunter Lailach | 1993-12-21 |
| 5229087 | Process for the preparation of titanium dioxide | Karl-Heinz Schultz, Gunter Lailach | 1993-07-20 |
| 5122358 | Process for the purification of exhaust gases | Gunter Lailach | 1992-06-16 |
| 5061472 | Process for the concentration of sulphuric acid containing metal sulphates | Gunter Lailach | 1991-10-29 |
| 4952387 | Process for separating metal sulphates from sulphuric acid | Gunter Lailach, Wolfgang Rens | 1990-08-28 |
| 4931269 | Process for the purification and reheating of exhaust gases | Gunter Lailach | 1990-06-05 |
| 4880446 | Process for heating up moist gases containing hydrogen halides | Wolfgang Dietz, Gunter Lailach, Peter Clasen | 1989-11-14 |
| 4834954 | Process for cleaning flue gases | Karl-Heinz Dorr, Hugo Grimm, Heinz Neumann, Gunter Lailach | 1989-05-30 |
| 4824655 | Process for the preparation of sulphur dioxide | Gunter Lailach | 1989-04-25 |
| 4772757 | Process for the production of nitrobenzene | Gunter Lailach, Karl-Heinz Schultz, Rudolf Hornung, Walter Bockmann, Wolfgang Larbig +1 more | 1988-09-20 |
| 4670235 | Process for desulphurizing flue gases | Gunter Lailach, Karl-Heinz Schultz | 1987-06-02 |
| 4663131 | Process for the preparation of titanium dioxide | Gerhard Wiederhoft, Gunter Lailach, Walter Gutsche, Wolfgang Muller | 1987-05-05 |
| 4663490 | Process for the production of dinitrotoluene | Gunter Lailach, Dieter Becher, Harro Witt | 1987-05-05 |