Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696204 | Thermoplastic moulding compositions of the ABS type | Edgar Leitz, Karl-Erwin Piejko, Heinrich Alberts | 1997-12-09 |
| 5679759 | Polycarbonate moulding materials with improved toughness | Dieter Wittmann, Thomas Eckel, Heinrich Alberts, Ulrich Jansen | 1997-10-21 |
| 5674939 | ABS moulding compounds with novel morphology | Adolf Schmidt, Edgar Leitz, Karl-Erwin Piejko | 1997-10-07 |
| 5674940 | ABS molding compounds with improved toughness | Ulrich Jansen, Karl-Erwin Piejko | 1997-10-07 |
| 5668218 | Elastic-thermoplastic graft polymers with improved properties | Martin Bohnenpoll, Adolf Schmidt, Heinrich Alberts | 1997-09-16 |
| 5658985 | ABS moulding compounds with improved yield stress | Alfred Pischtschan, Karl-Heinz Ott | 1997-08-19 |
| 5605963 | ABS polymer compositions having a uniform matt surface | Edgar Leitz, Karl-Erwin Piejko, Dieter Wittmann, Ekkehard Frohberg | 1997-02-25 |