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:
Oct. 08, 2013
Filed:
Apr. 14, 2011
Applicants:
Axel Jansen, Darmstadt, DE;
Helmut Haensel, Muehltal, DE;
Malgorzata Rillich, Darmstadt, DE;
Inventors:
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/12 (2006.01); C09K 19/30 (2006.01); C09K 19/52 (2006.01); C09K 19/00 (2006.01); C07C 41/00 (2006.01); C07C 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to liquid-crystalline compounds having two fluorinated biphenyl units, a terminal trifluoromethyl or trifluoromethoxy group and a —CFO— bridge between the two fluorinated biphenyl units. The invention also relates to liquid-crystalline media prepared therewith and to liquid-crystal display devices (LC displays) containing these media.