Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4695444 | Method of manufacturing sulphur from SO.sub.2 containing gases | Horst Grochowski, Dieter Zurawsky, Karl Knoblauch, Jurgen Schwarte | 1987-09-22 |
| 4441840 | Process for the disposal and economic use of the residue of the exhaust gas washers of furnaces in relation to waste products | Friedrich Bassier | 1984-04-10 |