← Back to Patent Explorer
EP0151446A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Liquid crystal phase

Assignee: Merck Patent GmbH
•
Filing: 1985-01-26
•
Granted: —
•
Expires: 2005-01-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German 57 Flüssigkristalline Phasen mit mindestens zwei Flüssigkristallverbindungen, die als Strukturelement einen Pyrimidinring enthalten und vier verschiedene Flügelgruppen besitzen eignen sich zur Verbesserung der Stabilität bei tiefen Temperaturen von Flüssigkristallanzeigeelementen mit hohen Multiplexverhältnissen. 57 Liquid-crystalline phases with at least two liquid-crystal compounds which contain a pyrimidine ring as structural element and have four different wing groups are suitable for improving the stability at low temperatures of liquid-crystal display elements with high multiplex ratios.

Inventors

  • 👤 Bernhard Dr. Scheuble
  • 👤 Georg Weber

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-27 13:35
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/04; C09K19/42; C09K19/06; C09K19/34; C09K19/3441; C09K19/345; C09K19/3458

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag