Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700801 | Piperazine derivatives, pharmaceutical compositions containing these compounds, their use and processes for preparing them | Helmut Pieper, Volkhard Austel, Frank Himmelsbach, Gunter Linz, Johannes Weisenberger | 1997-12-23 |
| 5681841 | Cyclic urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them | Frank Himmelsbach, Volkhard Austel, Gunter Linz, Helmut Pieper, Thomas Müller +1 more | 1997-10-28 |
| 5612335 | Cyclic compounds and pharmaceutical compositions containing them | F. Himmelsbach, Helmut Pieper, Volkhard Austel, Gunter Linz, Thomas Müller +1 more | 1997-03-18 |
| 5607944 | Bicyclic heterocyclic compounds, pharmaceutical preparations containing these compounds and processes for their preparations | G unter Linz, Frank Himmelsbach, Helmut Pieper, Volkhard Austel, Thomas M uller +1 more | 1997-03-04 |