Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077964 | Process for preparing monodisperse ion exchangers having chelating functional | Reinhold Klipper, Werner Struver, Bruno Hees, Bernhard Lehmann, Holger Lutjens | 2006-07-18 |
| 7053129 | Process for preparing monodisperse anion exchangers | Reinhold Klipper, Werner Struver, Rudiger Seidel, Alfred Mitschker, Holger Lutjens | 2006-05-30 |
| 6942805 | Sugar juice decolorization by means of mondisperse anion exchangers | Hans-Karl Soest, Reinhold Klipper, Martin Gladysch | 2005-09-13 |
| 6723881 | Method for conditioning ion exchangers | Michael Bödiger, Rainer Neumann, Frieder Heydenreich, Michael Prein, Gerhard Fennhoff +3 more | 2004-04-20 |
| 6699913 | Process for preparing monodisperse anion exchangers having strongly basic functional groups | Reinhold Klipper, Rudiger Seidel, Hans-Karl Soest, Alfred Mitschker, Holger Lutjens | 2004-03-02 |
| 6696503 | Process for preparing crosslinked ion exchangers based on unsaturated aliphatic nitriles | Michael Happ, Ralf-Jurgen Born, Reinhold Klipper, Hans-Karl Soest, Wolfgang Zarges | 2004-02-24 |
| 6649663 | Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof | Reinhold Klipper, Werner Struver, Bruno Hees, Bernhard Lehmann, Holger Lutjens | 2003-11-18 |
| 6329435 | Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compounds | Reinhold Klipper, Werner Struver, Heiko Hoffmann, Dieter Mauer, Bernhard Lehmann +2 more | 2001-12-11 |
| 4918195 | Process for preparing triazoles fused with aromatic systems by reaction of o-arylenediamines with nitrites | Ulrich Bormann | 1990-04-17 |
| 4489210 | Process for the halogenation of organic compounds | Helmut Judat, Karlfried Wedemeyer | 1984-12-18 |
| 4401833 | Process for the preparation of 4-chloro-2,6-dialkylanilines | Karlfried Wedemeyer | 1983-08-30 |