Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698761 | Coordination catalyst systems | Ludwig Pohl, Herbert Schumann, Karin Weiss, Karl Thiele, Hans-Ludwig Hirsch | 1997-12-16 |
| 5641429 | Fluorobenzene derivatives and liquid-crystalline medium | Volker Reiffenrath, Hans-Adolf Kurmeier, Herbert Plach, Ulrich Finkenzeller, Ekkehard Bartmann +2 more | 1997-06-24 |
| 5639883 | Process for preparing substituted 4-methylidenecinnamic acid derivatives | Volker Meyer, Ulrich Heywang, Inge Stein, Michael Schwarz, Michael Kompter | 1997-06-17 |
| 5637672 | Polyimides for STN displays | Bernhard Rieger, Ekkehard Bartmann | 1997-06-10 |
| 5626793 | Liquid-crystalline compounds | Volker Reiffenrath, Herbert Plach, Detlef Pauluth, Reinhard Hittich, Thomas Geelhaar +2 more | 1997-05-06 |