Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750262 | Water-absorbing, cellular, cross-linked polymers with improved distribution effect, method for their production and their use | Hans-Joachim Hähnle, Ulrich Schröder, Wolfgang Heider, Thomas Anstock | 2004-06-15 |
| 6703431 | Flexible open-celled microcellular polymer foams | Franz-Josef Dietzen, Hans-Joachim Hähnle, Serguei Evsioukov, Gerd Ehrmann, Rüdiger Funk | 2004-03-09 |