Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889911 | Process for the production of fully aromatic, thermotropic polyesters and polyester carbonates | Harald Pielartzik, Wolfgang Ebert, Hans-Joachim Traenckner, Edgar Ostlinning | 1989-12-26 |
| 4886869 | Thermotropic aromatic polyester carbonates, a process for their preparation and their use | Harald Pielartzik, Rolf Dhein, Hans-Joachim Traenckner, Edgar Ostlinning | 1989-12-12 |
| 4874816 | Vinyl copolymers with grafted-on polycarbonate chains, their production and use | Ralf Dujardin, Wolfgang Ebert, Klaus Berg, Ulrich Grigo, Wolfgang Wehnert | 1989-10-17 |
| 4861815 | Hydrophobicized, easily-flowing thermoplastic polyamide containing monoepoxide | Klaus-Dieter Schultz, Friedrich Fahnler, Rolf Dhein, Dietrich Michael | 1989-08-29 |
| 4837301 | Process for the preparation of high molecular weight optionally branched polyarylenesulphides | Volker Glock, Wolfgang Ebert | 1989-06-06 |
| 4820771 | High impact polyamides | Bernhard Mussig, Bert Brassat, Rolf Dhein | 1989-04-11 |