Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889911 | Process for the production of fully aromatic, thermotropic polyesters and polyester carbonates | Wolfgang Ebert, Rolf-Volker Meyer, Hans-Joachim Traenckner, Edgar Ostlinning | 1989-12-26 |
| 4886869 | Thermotropic aromatic polyester carbonates, a process for their preparation and their use | Rolf Dhein, Rolf-Volker Meyer, Hans-Joachim Traenckner, Edgar Ostlinning | 1989-12-12 |