Issued Patents 1997
Showing 1–4 of 4 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, Albrecht Groner, Dieter Hoffmann | 1997-12-23 |
| 5674531 | Nanoparticles containing an active substance and a ketalized polytartramidic acid, process for their preparation, and use thereof | Michael Ahlers, Gerhard Seipke, Gregory John Russell-Jones | 1997-10-07 |
| 5631326 | Crosslinked nitrogen-containing vinyl copolymers processes for their preparation and the use of these compounds | Michael Ahlers, Heiner Glombik, Stefan M ullner | 1997-05-20 |
| 5613494 | Polycondensates which contain tartaric acid derivatives, processes for their preparation and use thereof | Volker Krone, Michael Magerstadt, Günter Ditzinger, Norbert Lill | 1997-03-25 |