Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106740 | Immobilization of an isethiacyanate of a cofactor on a polymer | Hans-Ullrich Hoppe, Michael Magerstadt, Merten Schlingmann, Dieter Ulschneider, Axel Walch | 1992-04-21 |
| 5043113 | Process for formation of halogenated polymeric microporous membranes having improved strength properties | Edward R. Kafchinski, Tai-Shung Chung, James J. Lowery | 1991-08-27 |
| 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 | Diether Ruppel, Axel Walch | 1991-08-20 |
| 4974932 | Stepped-index optical fiber for transmission of high-power laser radiation | Kurt Nattermann | 1990-12-04 |
| 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 | Diether Ruppel, Axel Walch | 1990-03-06 |
| 4835248 | Biologically degradable polyamide for depot preparations having controlled release of the active compound | Diether Ruppel, Axel Walch, Michael Magerstadt | 1989-05-30 |