Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077964 | Process for preparing monodisperse ion exchangers having chelating functional | Reinhold Klipper, Werner Struver, Ulrich Schnegg, Bruno Hees, Bernhard Lehmann | 2006-07-18 |
| 7053129 | Process for preparing monodisperse anion exchangers | Reinhold Klipper, Werner Struver, Ulrich Schnegg, Rudiger Seidel, Alfred Mitschker | 2006-05-30 |
| 6716889 | Process for the preparation of strongly basic anion exchangers using ethylene oxide | Axel Ingendoh, Karl-Rudolf Gassen, Peter Wenzl, Klaus Rall | 2004-04-06 |
| 6699913 | Process for preparing monodisperse anion exchangers having strongly basic functional groups | Reinhold Klipper, Ulrich Schnegg, Rudiger Seidel, Hans-Karl Soest, Alfred Mitschker | 2004-03-02 |
| 6667349 | Method for producing osmotically and mechanically stable gel-like anion exchangers | Reinhold Klipper, Georg Martin, Alfred Mitschker, Michael Holzbrecher | 2003-12-23 |
| 6649663 | Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof | Reinhold Klipper, Werner Struver, Ulrich Schnegg, Bruno Hees, Bernhard Lehmann | 2003-11-18 |
| 6646017 | Process for the preparation of low-bleeding cation exchangers | Reinhold Klipper, Rudolf Wagner, Olaf Halle, Klaus Rall | 2003-11-11 |
| 6610753 | Process for preparing selective ion exchangers | Klaus Rall, Axel Ingendoh, Reinhold Klipper | 2003-08-26 |
| 6329435 | Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compounds | Reinhold Klipper, Werner Struver, Ulrich Schnegg, Heiko Hoffmann, Dieter Mauer +2 more | 2001-12-11 |
| 6221287 | Process for the preparation of crosslinked spherical polymers | Wolfgang Podszun, Olaf Halle, Werner Struver, Robert Bloodworth | 2001-04-24 |
| 6060558 | Crosslinked bead-form polymers | Wolfgang Podszun, Olaf Halle, Werner Struver, Robert Bloodworth | 2000-05-09 |
| 5932152 | Process for preparing crosslinked bead-form polymers | Wolfgang Podszun, Olaf Halle, Werner Struver, Robert Bloodworth | 1999-08-03 |
| 5834524 | Process for the preparation of crosslinked polymers | Robert Bloodworth, Werner Struver, Olaf Halle, Wolfgang Podszun | 1998-11-10 |
| 5464875 | Process for preparing weakly-basic anion exchangers and reagents suitable for this purpose | Reinhold Klipper, Stefan Antons, Guido Steffan, Alfred Mitschker, Werner Struver | 1995-11-07 |
| 5434203 | Mixtures of bisphenols and graft polymers | Christian Lindner, Karl-Erwin Piejko | 1995-07-18 |
| 5296528 | Compatible polymer blends with thermoplastic polycarbonates | Karl-Erwin Piejko, Rudiger Plaetschke, Christian Lindner, Jurgen Kirsch | 1994-03-22 |
| 5252672 | Polymer blends of polyamides and polymers containing sulfonamide structural units | Georg Heger, Gerd Fengler, Christian Lindner | 1993-10-12 |
| 5250622 | Polymer combinations with a high rubber content | Karl-Erwin Piejko, Christian Lindner, Dieter Constant | 1993-10-05 |
| 5250621 | Interpolymers of aromatic polyesters and rubbers | Uwe Westeppe, Leo Morbitzer, Karl-Erwin Piejko, Christian Lindner | 1993-10-05 |
| 5227430 | Mixtures of polyamides and special polymers containing phenol groups | Karl-Erwin Piejko, Rudiger Plaetschke | 1993-07-13 |
| 5227441 | Preparation of fluoropolymers containing masked phenol groups | Ralf Kruger, Karl-Erwin Piejko | 1993-07-13 |
| 5219934 | Polymers containing sulfonamide units as compatibilizers for polyamide/polycarbonate blends | Georg Heger, Gerd Fengler, Karl-Erwin Piejko, Josef Buekers | 1993-06-15 |
| 5196466 | Polymer mixtures having improved thermostability II | Karl-Erwin Piejko, Hans-Eberhard Braese | 1993-03-23 |
| 5194497 | Alloys of thermoplastic polymers containing oxetanyl groups | Karl-Erwin Piejko, Gerd Fengler, Hans-Eberhard Braese, Christian Lindner, Jurgen Kirsch | 1993-03-16 |
| 5187231 | High heat-distortion plastics | Christian Lindner, Herbert Eichenauer, Hans-Eberhard Braese | 1993-02-16 |