Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607591 | Bis-crown calix [4]arenes, their preparation process and their use for the selective extraction of cesium and actinides | Zouhair Asfari, Cl ement Hill, Jacques Vicens | 1997-03-04 |