The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2020
Filed:
Apr. 13, 2016
Merck Patent Gmbh, Darmstadt, DE;
Peer Kirsch, Seeheim-Jugenheim, DE;
Andreas Ruhl, Rossdorf, DE;
Susann Gunst, Darmstadt, DE;
Michael Junge, Pfungstadt, DE;
Ursula Patwal, Reinheim, DE;
Mila Fischer, Muehltal, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The present invention relates to thiadiazoloquinoxaline derivatives of the formula I, in which R, R, A, A, A, A, Z, Z, Z, Z, W, X, X, r and s have the meanings indicated in Claim 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.