Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578264 | Retard form of pharmaceuticals with insoluble porous diffusion coatings | Herbert Stricker, Bernhard Freund, Heribert Harwalik, Siegfried Darda, Volkmar Haselbarth +5 more | 1986-03-25 |
| 4459279 | Retard form of pharmaceuticals with insoluble porous diffusion coatings | Herbert Stricker, Bernhard Freund, Heribert Harwalik, Siegfried Darda, Volkmar Haselbarth +5 more | 1984-07-10 |
| 4361546 | Retard form of pharmaceuticals with insoluble porous diffusion coatings | Herbert Stricker, Bernhard Freund, Heribert Harwalik, Siegfried Darda, Volkmar Haselbarth +5 more | 1982-11-30 |