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:
Dec. 28, 2021
Filed:
Mar. 17, 2020
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Constanze Brocke, Gross-Gerau, DE;
Katharina Linke, Rodgau, DE;
Sven Christian Laut, Weiterstadt, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/34 (2006.01); C07D 309/04 (2006.01); C07D 319/06 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3402 (2013.01); C07D 309/04 (2013.01); C07D 319/06 (2013.01); C09K 2019/3422 (2013.01);
Abstract
Compounds of the formula I, in which Ydenotes —O— or —CH—, and the groups R, Lto Land Xhave the meanings indicated in claim. A process for the preparation thereof, and liquid-crystalline media comprising at least one compound of the formula I and electro-optical displays containing a liquid-crystalline medium this type. The compounds of the formula I include, as structural element, a combination of a 1,4-substituted cyclohexene ring besides a dioxane or tetrahydropyran ring and a substituted biphenyl group.