Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538736 | Active substance-containing plaster for the controlled administration of active substances to the skin | Hans-Rainer Hoffmann, Gunter Simon, Peter Barth | 1996-07-23 |
| 5462746 | Patch for transdermal administration of volatile pharmaceutically active ingredients of chemically basic nature and a process for preparation | Walter Muller, Gunter Simon, Christa Nalbach, Hans-Rainer Hoffmann | 1995-10-31 |
| 5132115 | Planar therapeutic system, process for its production and utilization | Fritz Herrmann, Hans-Ranier Hoffmann, Gunter Simon, Thomas Kissel, Joerg Reinhardt | 1992-07-21 |