Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9346830 | Method for producing amino acid chelate compounds, amino acid chelate compounds and use of amino acid chelate compounds | Dietmar Ramhold, Edmund Mathies, Wolfram Strauch | 2016-05-24 |
| 8574339 | Method for the selective acidic dezincification of steel scrap | Hans-Bernd Pillkahn, Udo Meynerts | 2013-11-05 |
| 5846501 | Process for the selective recovery of the salt constituents from used hardening shop salts which contain nitrite-nitrate | Matthias Kremer, Georg Wahl, Stefan Wigger, Jorg Kahler | 1998-12-08 |
| 5769906 | Process for recovering the salt constituents from hardening-shop salt baths | Mattias Kremer, Georg Wahl, Stefan Wigger, Jorg Kahler | 1998-06-23 |
| 5570848 | Eccentric vibrating mill | Willbrord Beenken, Miroslaw Gruschka | 1996-11-05 |
| 4786323 | Process for the recovery of noble metals from ore-concentrates | Elias Asiam | 1988-11-22 |