Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4298577 | Process for recovery of uranium from sea water | Ludwig Ashtheimer, Hans-Joachim Schenk | 1981-11-03 |
| 4283370 | Method of quantitatively separating uranium from specimens of natural water by sorption on silica | Alexander Putral | 1981-08-11 |