Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886620 | Smectic liquid-crystalline phases | Reinhard Hopf, Bernhard Scheuble, Andreas Wachtler, Reinhard Hittich, Rudolf Eidenschink +2 more | 1989-12-12 |
| 4871469 | Nematic liquid-crystalline phases | Volker Reiffenrath, Joachim Krause, Rudolf Eidenschink, Hans-Adolf Kurmeier, Eike Poetsch +2 more | 1989-10-03 |
| 4871472 | Esters in ferroelectric mixtures | Joachim Krause, Volker Reiffenrath | 1989-10-03 |
| 4834904 | Nitrogen-containing heterocycles | Joachim Krause, Rudolf Eidenschink, Klaus Bofinger, Bernhard Scheuble | 1989-05-30 |