Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687514 | Process for the recovery of noble metals from solutions | Hermann Renner, Karlheinz Kleiss | 1987-08-18 |
| 4571265 | Process for separation and purification of platinum group metals (II) | Karl-Heinz Konig, Michael Schuster, Dieter Hollmann | 1986-02-18 |
| 4571266 | Process for separation and purification of platinum group metals (I) | Karl-Heinz Konig, Michael Schuster, Gerd Schneeweis, Bernd Steinbrech | 1986-02-18 |
| 4487664 | Method and electrolytic bath for the deposition of low carat bright gold-silver alloy coatings | Bernd Dorbath, Norbert Giesecke | 1984-12-11 |