Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871469 | Nematic liquid-crystalline phases | Volker Reiffenrath, Joachim Krause, Thomas Geelhaar, Rudolf Eidenschink, Eike Poetsch +2 more | 1989-10-03 |
| 4846998 | Cyclohexane derivatives | Ludwig Pohl, Bernhard Scheuble, Reinhard Hittich, Rudolf Eidenschink, Andreas Wachtler | 1989-07-11 |