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:
Jun. 28, 2016
Filed:
Dec. 09, 2013
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Harald Hirschmann, Darmstadt, DE;
Andreas Pohle, Pfungstadt, DE;
Markus Czanta, Darmstadt, DE;
Christian Schoenefeld, Darmstadt, DE;
Elvira Montenegro, Wienheim, DE;
Volker Reiffenrath, Rossdorf, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/34 (2006.01); C09K 19/02 (2006.01); C07D 401/04 (2006.01); C09K 19/04 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3444 (2013.01); C07D 401/04 (2013.01); C09K 19/0208 (2013.01); C09K 19/3458 (2013.01); C09K 19/3466 (2013.01); C09K 2019/0448 (2013.01);
Abstract
The invention relates to compounds of the formula I and to a liquid-crystalline medium which comprises one or more compounds of the formula I, in which R, X, X, Yand Yhave the meanings indicated in Claim, and to the use thereof for electro-optical purposes, in particular for shutter glasses, 3D applications, in TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, PS-FFS and PS-VA-IPS displays.