Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444123 | Halogen-free flameproofed thermoplastic molding materials based on polyphenylene ethers and polystyrene | Doris Zeltner, Norbert Niessner, Friedrich Seitz, Stefan Seelert | 1995-08-22 |