Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5814209 | Method for ecological utilization of acid effluents of fuller's earth | Reinhard Hahn, Klaus Schurz, Wolfgang Eisenschmid | 1998-09-29 |
| 4508838 | Compositions containing thiolates for removal of heavy metal ions from dilute aqueous solutions | — | 1985-04-02 |
| 4486216 | Method for the processing of fecal waste | Axel von Raven, Ulrich Kroner | 1984-12-04 |