Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354578 | Process for the preparation of wear-resistant hard material layers on metallic supports | Hans-Hermann Beyer, Wolfgang Weber, Klaus Zimmermann | 1994-10-11 |
| 5256188 | Process for the separation of rhodium from organic solutions | Ingo Kleinwachter, Karlheinz Kleiss | 1993-10-26 |
| 5196178 | Method of producing dustfree silver nitrate | Dieter Hollmann | 1993-03-23 |