Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627170 | Phosphonic acid compound containing heterocyclic substituents, pharmaceutical composition contains same and a method of treating calcium metabolism disturbance | Christos Tsaklakidis, Angelika Esswein, Frieder Bauss | 1997-05-06 |