Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7265159 | Monodisperse anion exchangers | Reinhold Klipper, Olaf Halle, Claudia Schmid, Wolfgang Podszun, Hans-Karl Soest | 2007-09-04 |
| 7166645 | Process for the alkaline saponification of crosslinked acrylonitrile bead polymers | Michael Happ, Dieter Irmscher, Wolfgang Podszun, Wolfgang Zarges | 2007-01-23 |
| 7053129 | Process for preparing monodisperse anion exchangers | Reinhold Klipper, Werner Struver, Ulrich Schnegg, Alfred Mitschker, Holger Lutjens | 2006-05-30 |
| 6699913 | Process for preparing monodisperse anion exchangers having strongly basic functional groups | Reinhold Klipper, Ulrich Schnegg, Hans-Karl Soest, Alfred Mitschker, Holger Lutjens | 2004-03-02 |
| 6624206 | Process for the preparation of free-flowing strongly acidic cation exchangers | Reinhard Bachmann, Lothar Feistel, Karl-Heinz Siekiera, Kurt Wegewitz | 2003-09-23 |
| 6472479 | Sulfonated bead polymers prepared from styrene, vinylpyridines, and crosslinkers | Burkhard Kohler, Olaf Halle, Eckhard Wenz | 2002-10-29 |
| 6384092 | Process for the preparation of free-flowing strongly acidic cation exchangers | Reinhard Bachmann, Lothar Feistel, Karl-Heinz Siekiera, Kurt Wegewitz | 2002-05-07 |
| 6228896 | Process for the preparation of very acidic cation exchangers | Reinhard Bachmann, Lothar Feistel, Karl-Heinz Siekiera | 2001-05-08 |