Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384111 | Polymers containing carboxyl groups and polyalkylene ether side- chains as additives in mineral building materials | Axel Kistenmacher, Johannes Perner, Markus Hartmann, Alfred Ruland | 2002-05-07 |