Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656994 | Use of polysulfide-free preparations as an additive for loam or clay-based construction materials | Stefan Dreher, Joachim Pakusch, Dietbert Knofel, Karl Boettger | 2003-12-02 |
| 6653372 | Preparation of addition-polymer powder | Joachim Pakusch, Maximilian Angel, Andree Dragon | 2003-11-25 |
| 6605662 | Multistage aqueous dispersion of polymer particles having a soft core and hard shell | Cheng-Le Zhao, Eckehardt Wistuba, Bernhard Schuler, Klemens Mathauer | 2003-08-12 |