Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658974 | Flameproofed, thermoplastic polycarbonate moulding compounds | Thomas Eckel, Dieter Wittmann, Heinrich Alberts | 1997-08-19 |
| 5621029 | Flame retardant thermoplastic polycarbonate moulding compositions | Thomas Eckel, Dieter Wittmann, Heinrich Alberts | 1997-04-15 |