Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9540379 | (1,2,4)triazolo[4,3-A]quinoxaline derivatives as inhibitors of phosphodiesterases | Hans-Joachim Lankau, Barbara Langen, Christian Grunwald, Norbert Hoefgen, Rita Dost +1 more | 2017-01-10 |
| 9085584 | Substituted pyrido[3,2-E][1,2,4]-triazolo[4,3-A]pyrazines for the treatment of central nervous system disorders | Riccardo Giovannini, Barbara Bertani, Sara Frattini, Giustino DI ANTONIO, Hans-Joachim Lankau +4 more | 2015-07-21 |
| 7875618 | Substituted imidazo[1,5-a]quinoxalines useful as inhibitors of phosphodiesterase 10 for the treatment of neurological and other disorders | Michael S. Malamas, Yike Ni, James Joseph Erdei, Norbert Höfgen, Rudolf Schindler +2 more | 2011-01-25 |
| 7550465 | Pyrido[3,2-e]pyrazines, their use as inhibitors of phosphodiesterase 10, and processes for preparing them | Norbert Höfgen, Barbara Langen, Ute Egerland, Rudolf Schindler, Thomas Pfeifer +1 more | 2009-06-23 |
| 7122674 | Process for preparing high-purity hydroxyindolylglyoxylamides | Hans-Joachim Jansch, Helge Hartenhauer, Norbert Höfgen, Jürgen Schäfer | 2006-10-17 |
| 5959115 | Process for the preparation of pure flupirtine maleate and its A modification | Alfred Olbrich, Peter Emig, Bernhard Kutscher, Karl-Friedrich Landgraf, Siegfried Pauluhn | 1999-09-28 |