Hexafluoropropyl ethers, and liquid-crystalline medium

US5562858A · kind A · utility

Assignee

• MERCK PATENT GESELLSCHAFT MIT BESHRANK TER HAFTUNG · DE

Inventors

• Ekkehard Bartmann · Langen (Hessen), DE
• Detlef Pauluth · Ober-Ramstadt, DE
• Herbert Plach · Darmstadt, DE

Key dates

• Filing date: Apr 13, 1995
• Grant date: Oct 8, 1996
• Expiry date: Apr 13, 2015

Classification

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

Abstract

Hexafluoropropyl ethers of the formula I ##STR1## in which R, A.sup.1, Z.sup.1, L.sup.1, L.sup.2, m and n are as defined herein are suitable as components of liquid-cyrstalline media.