Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542546 | Process and apparatus for non-agitated flotation of substances with a low degree of hydrophoby and/or low stability in the foam structure, in particular of salt mixtures | Jost Gotte, Arno Singewald | 1996-08-06 |
| 4581174 | Process for the continuous preparation of organic mono-and/or polyisocyanates | Rainer Ohlinger, Ludwig Pfannenstiehl, Bernd Blumenberg, Hans J. Raabe | 1986-04-08 |