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:
Jul. 03, 2012
Filed:
Mar. 22, 2011
Applicants:
Axel Jansen, Darmstadt, DE;
Helmut Haensel, Muehltal, DE;
Philipp Krattiger, Darmstadt, DE;
Andreas Taugerbeck, Darmstadt, DE;
Malgorzata Rillich, Darmstadt, DE;
Inventors:
Axel Jansen, Darmstadt, DE;
Helmut Haensel, Muehltal, DE;
Philipp Krattiger, Darmstadt, DE;
Andreas Taugerbeck, Darmstadt, DE;
Malgorzata Rillich, Darmstadt, DE;
Assignee:
Merck Patent Gesellschaft mit Beschrankter Haftung, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/34 (2006.01); C09K 19/12 (2006.01); C07C 25/13 (2006.01); C07C 43/225 (2006.01); C07D 239/02 (2006.01); C07D 309/02 (2006.01); C07D 319/06 (2006.01); C07D 211/84 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to liquid-crystalline compounds having at least three fluorine-substituted benzene rings, a terminal trifluoromethyl group and at least one —CFO— bridge. The invention also relates to liquid-crystalline media prepared therewith and to liquid-crystal display devices (LC displays) containing these media.