Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548589 | Cement dispersing polymers for high flow, high strength and selfcompacting concrete | Jurg Widmer, Ueli Sulser, Ulf Velten, Irene Schober | 2003-04-15 |
| 6540826 | Sulfate-free and alkali-free setting and hardening accelerator | Marcel Sommer, Franz Wombacher | 2003-04-01 |
| 6537367 | Alkali-free setting and hardening accelerator | Marcel Sommer, Franz Wombacher | 2003-03-25 |
| 6514327 | Stabilized setting and hardening accelerator of low viscosity | Marcel Sommer, Franz Wombacher | 2003-02-04 |