Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7635822 | Method for treating ground crude potassium salts that contain kieserite | Florian Deiseroth, Peter-Michael Beier, Sascha Vensky | 2009-12-22 |
| 7553462 | Method for the production of Mg (OH)2 nanoparticles | Claus Feldmann, Sascha Ahlert, Jörg-Heino Sachse | 2009-06-30 |
| 6011229 | Electrostatic separator for classifying triboelectrically charged substance mixtures | Iring Geisler, Hans Knauer | 2000-01-04 |
| 5687852 | Tubular free-fall separator for separating plastic mixtures | Norbert Raschka | 1997-11-18 |
| 5562755 | Process for the treatment of langbeinite and anhydrite containing kieserite concentrates | G unter Fricke, Peter-Michael Beier | 1996-10-08 |
| 5507184 | Process and apparatus for activating a time gate in the ultrasonic testing of materials using the impulse-echo system | Alexander Freund, Norbert Ewald Steinhoff, Reinhard Prause | 1996-04-16 |
| 5503641 | Process and apparatus for preparing a potassium chloride mixture | Ivan Bakardjiev, Hans W. Beher | 1996-04-02 |
| 5482696 | Method for the purification and/or electrolysis of an aqueous potassium chloride solution | Rudiger Honigschmid-Grossich, Peter Schmittinger, Karl R. Wambach-Sommerhoff | 1996-01-09 |
| 5370235 | Method of separating polyethylene (PE) and polypropylene (PP) | Axel Hollstein, Ulrich Kleine-Kleffmann, Iring Geisler, Ulrich Neitzel | 1994-12-06 |
| 5366091 | Method of separating poly(ethylene terephthalate) (PET) and poly(vinyl chloride) (PVC) | Axel Hollstein, Ulrich Kleine-Kleffmann, Iring Geisler, Ulrich Neitzel | 1994-11-22 |
| 5358119 | Method of separating a mixture of plastics comprising at least three components using electrostatic techniques | Axel Hollstein, Ulrich Kleine-Kleffmann, Iring Geisler, Ulrich Neitzel | 1994-10-25 |