Mesogenic compounds

US5308537A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• David Coates · Bishop's Stortford, GB
• Simon Greenfield · Poole, GB
• Ian C. Sage · Broadstone, GB
• Volker Reiffenrath · Roßdorf, DE
• Bernhard Rieger · Langenau, DE

Key dates

• Filing date: Jun 27, 1990
• Grant date: May 3, 1994
• Expiry date: Jun 27, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2019/3422
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Mesogenic compounds with a .omega.-CF.sub.3 -alkyl, .omega.-CF.sub.3 -alkenyl or .omega.-CF.sub.3 -alkinyl terminal group of formula I ##STR1## with the meaning of R, Z, Q, ##STR2## m, n and o being indicated in claim 1.