Compounds and liquid-crystalline medium

US10457871B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Achim Goetz · Zwingenberg, DE
• Rocco Fortte · Frankfurt am Main, DE
• Martin Engel · Libertyville, US
• Sabrina Maag · Pfungstadt, DE
• Ingo Almeroth · Bensheim, DE
• Thomas Mergner · Höchst im Odenwald, DE
• Thorsten Kodek · Mörfelden, DE
• Detlef Pauluth · Ober-Ramstadt, DE

Key dates

• Filing date: Aug 31, 2015
• Grant date: Oct 29, 2019
• Expiry date: Jun 13, 2036

Classification

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

Abstract

Compounds of formula I, in which X1, X2, Sp, and R are as defined herein, are suitable for use in liquid-crystal media, such as liquid-crystal media used in liquid-crystal displays.