Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9701848 | Bioactive, ruthenium-containing coating and device | Thomas Lisowsky, Karlheinz Esser, Klaus-Dieter Mehler | 2017-07-11 |
| 5423957 | Electrolytic process for dissolving platinum, platinum metal impurities and/or platinum metal alloys | Sigrid Herrmann | 1995-06-13 |
| 5393388 | Electrolytic process for extracting high purity platinum from platinum alloys | Sigrid Herrmann | 1995-02-28 |
| 5393389 | Electrolytic process for obtaining high purity platinum from contaminated platinum | Sigrid Herrmann | 1995-02-28 |
| 5370784 | Electrolytic process for the production of fine-grained, single-phase metallic alloy powders | Roland Kammel, Gunther Schulz, Andreas SPECHT, Christian Joachim Keidel | 1994-12-06 |