Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5871709 | Macrocyclic compounds as complexing compounds or agents, complexes of metal ions therewith and use thereof as contrast media for diagnostics and therapeutics | Heinz Gries, Johannes Platzek, Wolf-Rudiger Press, Hubert Vogler | 1999-02-16 |
| 5693310 | Amide complexes | Heinz Gries, Bernd Raduechel, Wolfgang Muetzel, Ulrich Speck | 1997-12-02 |