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:
Nov. 19, 2013
Filed:
Feb. 19, 2009
Applicants:
Michael Wittek, Darmstadt, DE;
Brigitte Schuler, Grossostheim, DE;
Harald Hirschmann, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Markus Czanta, Darmstadt, DE;
Christian Schoenefeld, Modautal, DE;
Inventors:
Michael Wittek, Darmstadt, DE;
Brigitte Schuler, Grossostheim, DE;
Harald Hirschmann, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Markus Czanta, Darmstadt, DE;
Christian Schoenefeld, Modautal, DE;
Assignee:
MERCK PATENT GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/52 (2006.01); C09K 19/06 (2006.01); C09K 19/34 (2006.01); C09K 19/30 (2006.01); C09K 19/00 (2006.01); C07D 311/80 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula I in whichR, ring A and Lhave the meanings indicated in Claimand to the use thereof in electro-optical liquid-crystal displays.