Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882381 | Moulding compounds of aromatic polyesters and grafted silicone rubber | Dieter Wittmann, Hans-Jurgen Kress, Ludwig Bottenbruch, Edgar Leitz | 1989-11-21 |
| 4879342 | Thermoplastic polycarbonate moulding compositions | Hans-Jurgen Kress, Winfried Paul, Christian Lindner, Josef Buekers | 1989-11-07 |
| 4861829 | Thermoplastic polycarbonate moulding materials | Hans-Jurgen Kress, Winfried Paul, Christian Lindner, Josef Buekers | 1989-08-29 |
| 4826918 | Polycarbonate moulding composition with improved flow and processiblity | Hans-Jurgen Kress, Dieter Wittmann, Bernd Quiring, Jochen Schoeps | 1989-05-02 |
| 4812515 | Ageing-resistant thermoplastic moulding materials of good impact strength | Hans-Jurgen Kress, Christian Lindner, Wolfgang Grape, Jochen Schoeps, Dieter Wittmann | 1989-03-14 |
| 4810739 | Moulding compositions having flame-resistant properties | Christian Lindner, Josef Buekers, Bernd Urbanneck | 1989-03-07 |
| 4806593 | Thermoplastic moulding materials having good resistance to ageing and good low-temperature impact strength | Hans-Jurgen Kress, Christian Lindner, Wolfgang Grape, Jochen Schoeps, Dieter Wittmann | 1989-02-21 |
| 4804708 | Thermoplastic moulding compounds based on special graft polymers | Dieter Wittmann, Christian Lindner, Hans-Jurgen Kress, Jochen Schoeps | 1989-02-14 |