Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652307 | Three stage graft copolymers and weathering-stable, dull thermoplastic molding materials containing said copolymers and having good low-temperature toughness | Wolfgang Fischer | 1997-07-29 |
| 5639826 | Thermoplastic molding materials based on polycarbonates thermoplastic polyurethanes and styrene copolymers | — | 1997-06-17 |