Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540826 | Sulfate-free and alkali-free setting and hardening accelerator | Marcel Sommer, Theodor Burge | 2003-04-01 |
| 6537367 | Alkali-free setting and hardening accelerator | Marcel Sommer, Theodor Burge | 2003-03-25 |
| 6514327 | Stabilized setting and hardening accelerator of low viscosity | Theodor Burge, Marcel Sommer | 2003-02-04 |