Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882381 | Moulding compounds of aromatic polyesters and grafted silicone rubber | Dieter Wittmann, Hans-Jurgen Kress, Edgar Leitz, Horst Peters | 1989-11-21 |
| 4856342 | Process and device for measuring the adhesion of fibres in fibre-reinforced synthetic materials | Hans-Joachim Traenckner, Andreas Hampe, Klaus Schumacher | 1989-08-15 |
| 4835243 | Thermotropic aromatic polymers with high elongation at break, processes for their preparation and their use for the production of moulded articles, filaments, fibres and films | Volker Eckhardt, Hans-Rudolf Dicke, Erich Hammerschmidt, Frank Kleiner, Heinz U. Blank | 1989-05-30 |
| 4801677 | Thermotropic aromatic polyester with high thermal stability | Volker Eckhardt, Hans-Rudolf Dicke, Dieter Freitag, Ulrich Biskup | 1989-01-31 |