Liquid-crystalline compounds

US8197709B2 · kind B2 · utility

Assignee

• MERCK PATENT GESELLSCHAFT MIT BESHRANK TER HAFTUNG · DE

Inventors

• Lars Lietzau · Darmstadt, DE
• Werner Binder · Dieburg, DE
• Atsutaka Manabe · Bensheim, DE
• Helmut Haensel · Heilbad Heiligenstadt, DE

Key dates

• Filing date: Nov 3, 2010
• Grant date: Jun 12, 2012
• Expiry date: Nov 3, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2323/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to chemical compounds containing five or more benzene rings arranged in a linear manner and two bridging units between these rings, where at least one of these units represents a —CF2O— bridge. The invention additionally relates to liquid-crystalline media and to high-frequency components comprising these media, in particular antennae, especially for the gigahertz range.