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:
Feb. 01, 2022
Filed:
Jun. 11, 2018
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Lars Lietzau, Rossdorf, DE;
Achim Goetz, Alsbach-Haehnlein, DE;
Harald Hirschmann, Darmstadt, DE;
Martin Engel, Darmstadt, DE;
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 333/76 (2006.01); C07D 307/91 (2006.01); C09K 19/32 (2006.01); C09K 19/34 (2006.01);
U.S. Cl.
CPC ...
C07D 333/76 (2013.01); C07D 307/91 (2013.01); C09K 19/32 (2013.01); C09K 19/3405 (2013.01); C09K 19/3491 (2013.01); C09K 2019/3408 (2013.01);
Abstract
Compounds of the formula I in which groups and parameters that occur have the definitions given in the disclosure. Preparation methods for these compounds. Uses of the compounds as components in liquid-crystalline media. Electrooptical display elements comprising the liquid-crystalline media.