Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290453 | Process for preparing chelating ion exchanger resins and the use thereof for the extraction of metals | Oliver Schumacher | 1994-03-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290453 | Process for preparing chelating ion exchanger resins and the use thereof for the extraction of metals | Oliver Schumacher | 1994-03-01 |