Patent · US Active

Thiadiazoloquinoxaline derivatives

US10738240B2 · kind B2 · utility

3Cited by

0References

13Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Peer Kirsch · Darmstadt, DE
Andreas Ruhl · De Pere, US
Susann Gunst · Darmstadt, DE
Michael Junge · Munich, DE
Ursula Patwal · Reinheim, DE
Mila Fischer · Bremke, DE

Key dates

Filing date	Apr 13, 2016
Grant date	Aug 11, 2020
Priority date	—
Expiry date	Apr 13, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2219/13
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to thiadiazoloquinoxaline derivatives of the formula I, in which R11, R12, A11, A12, A21, A22, Z11, Z12, Z21, Z22, W, X11, X12, r and s have the meanings indicated in Claim 1, to processes and intermediates for the preparation thereof, to the use of the compounds of the formula I for optical, electro-optical and electronic purposes, in particular in liquid-crystal media and in devices for regulating the passage of energy from an outside space into an inside space, and to these LC media and the devices comprising these media.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.