Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656994 | Use of polysulfide-free preparations as an additive for loam or clay-based construction materials | Joachim Roser, Joachim Pakusch, Dietbert Knofel, Karl Boettger | 2003-12-02 |
| 6617387 | Ammonia-free polymer dispersions as additives in mineral building materials based on hydraulic binders | Joachim Pakusch, Bernd Reck | 2003-09-09 |