Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5100673 | Microencapsulation of biologically active material | Hebert Bader, Karl-Heinz Keil, Merten Schlingmann, Axel Walch | 1992-03-31 |
| 5041291 | Biodegradable poly(hydroxyalkyl)amino dicarboxylic acid) derivatives, a process for their preparation, and the use thereof for depot formulations with controlled deivery of active ingredient | Hubert Bader, Axel Walch | 1991-08-20 |
| 4906473 | Biodegradable poly(hydroxyalkyl)amino dicarboxylic acid) derivatives, a process for their preparation, and the use thereof for depot formulations with controlled delivery of active ingredient | Hubert Bader, Axel Walch | 1990-03-06 |
| 4835248 | Biologically degradable polyamide for depot preparations having controlled release of the active compound | Hubert Bader, Axel Walch, Michael Magerstadt | 1989-05-30 |