Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828354 | Hydrophilic open-cell, elastic foams with a melamine/formaldehyde resin base, production thereof and use thereof in hygiene products | Hans-Joachim Hähnle, Norbert Herfert | 2004-12-07 |
| 6800666 | Hydrophilic, open-cell, elastic foams with a melamine/formaldehyde resin base, production thereof and use thereof in hygiene products | Hans-Joachim Hähnle, Martin H. Beck, Norbert Herfert, Bernhard Mohr, Jürgen Huff | 2004-10-05 |