Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667349 | Method for producing osmotically and mechanically stable gel-like anion exchangers | Holger Lutjens, Georg Martin, Alfred Mitschker, Michael Holzbrecher | 2003-12-23 |
| 6649663 | Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof | Werner Struver, Ulrich Schnegg, Bruno Hees, Bernhard Lehmann, Holger Lutjens | 2003-11-18 |
| 6646017 | Process for the preparation of low-bleeding cation exchangers | Rudolf Wagner, Olaf Halle, Klaus Rall, Holger Lutjens | 2003-11-11 |
| 6610753 | Process for preparing selective ion exchangers | Holger Lutjens, Klaus Rall, Axel Ingendoh | 2003-08-26 |