Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11718892 | Biological ore processing for the isolation of heavy metals | Andrea Christiansen, Xin Lu, Guido Meurer, Yvonne Tiffert, Esther Gabor +2 more | 2023-08-08 |
| 10829833 | Biological processing of scrap metal, household waste and/or industrial waste for the isolation of heavy metals | Andrea Christiansen, Xin Lu, Guido Meurer, Yvonne Tiffert, Esther Gabor +2 more | 2020-11-10 |
| 10501822 | Biological ore processing for the isolation of heavy metals | Andrea Christiansen, Xin Lu, Guido Meurer, Yvonne Tiffert, Esther Gabor +2 more | 2019-12-10 |
| 5207925 | Process for the detoxification of cyanide-containing aqueous solutions | Norbert Steiner, Frank Ladwig, Manfred Diehl | 1993-05-04 |
| 5178775 | Cost effective process for detoxification of cyanide-containing effluents | M. Quamrul Ahsan, Helmut Knorre, Roy Norcross, Friedrich W. Merz | 1993-01-12 |
| 4822496 | Process for the treatment of effluent containing cyanide and toxic metals, using hydrogen peroxide and trimercaptotriazine | Andrew Griffiths, Roy Norcross, Gerhard Scherer, Friedrich W. Merz | 1989-04-18 |