Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809148 | Polymer dispersions as an additive in building materials | Markus Koppers, Hermann Anders, Marco Schmidt, Hans-Jurgen Denu | 2004-10-26 |
| 6762221 | Use of naphthalenesulfonic acid-formaldehyde condensates products as drying aids | Maximilian Angel, Joachim Roser, Andree Dragon, Heinrich Sack | 2004-07-13 |