Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646035 | Synergistic combinations of phenolic antioxidants | Harald Koch, Alexander Lichtblau, Matthias Zäh | 2003-11-11 |
| 6521681 | Phenol-free stabilization of polyolefin fibres | Jurg Zingg, Jean-Roch Pauquet | 2003-02-18 |