Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700459 | Pharmacological composition containing polyelectrolyte complexes in microparticulate form and at least one active agent | Volker Krone, Michael Magerstadt, Axel Walch, Dieter Hoffmann | 1997-12-23 |