Issued Patents All Time
Showing 1–5 of 5 patents
| 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, Harald Schnez | 1996-08-06 |
| 5383952 | Process for binding dust in fertilizer granules | Otto Wendt, Gunter Nurnberger, Dieter Paetz, Wolfgang Walczyk, Klaus Muller | 1995-01-24 |
| 5057208 | Method for the production of potassium chloride with K.sub.2 O content of more than 55 weight percent | Fritz Hagedorn, Gerd Peuschel | 1991-10-15 |
| 4297207 | Process and apparatus for the electrostatic dressing of carnallite-containing crude potassium salts | Irving Geisler, Gunter Fricke, Rudolf Knappe | 1981-10-27 |
| 4276154 | Process for the electrostatic separation of crude potash salts | Gunter Fricke, Ulrich Neitzel, Iring Geisler | 1981-06-30 |