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EP0111695A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Pyridazine derivatives

Assignee: F Hoffmann La Roche AG
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Filing: 1983-10-28
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Granted: —
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Expires: 2003-10-28
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Abstract

Abstract Translated from German Verbindungen der Formel worin B die Gruppe -C≡C- oder -CH 2 CH 2 - darstellt, R 1 geradkettiges C 1 -C 12 -Alkyl bezeichnet und R 2 geradkettiges C 1 -C 12 Alkyl oder geradkettiges C 1 -C 12 -Alkoxy bedeutet, deren Herstellung und Verwendung in flüssigkristallinen Gemischen werden beschrieben. Compounds of the formula wherein B is the group -C≡C- or -CH 2 CH 2 -, R 1 is straight-chain C 1 -C 12 denotes alkyl and R 2 is straight-chain C 1 -C 12 alkyl or straight-chain C 1 -C 12 alkoxy, their preparation and use in liquid-crystalline mixtures are described.

Inventors

  • 👤 Martin Dr. Petrzilka
  • 👤 Georg Dr. Trickes

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 19:15
CPC Classifications
C; C07; C07D; C07D237/00; C07D237/02; C07D237/06; C07D237/08; C07D237/10; C07D237/12; C07D237/14; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/34; C09K19/3441; C09K19/345; C09K19/3455

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