Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939509 | Method for manufacturing metal parts | — | 2005-09-06 |
| 5362791 | Thermoplastic compositions for producing metallic moldings | Johan Ebenhoech, Dieter Weinand, Martin Bloemacher | 1994-11-08 |
| 5169538 | Removal of nobler metal ions than iron from process and waste waters | Wolfgag Habermann, Armin Haag | 1992-12-08 |
| 5064549 | Preparation of stabilized chromium dioxide with sodium tetracarbonylferrate | Michael Mueller, Ekkehard Schwab, Helmut Auweter, Rainer Feser, Bernhard Boettcher +1 more | 1991-11-12 |
| 4995950 | Preparation of alkali metal nitrates | Bernd Leutner | 1991-02-26 |
| 4837002 | Removal of chlorate from caustic soda | Dieter Schlaefer, Bernd Leutner | 1989-06-06 |