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:
May. 13, 2008
Filed:
Aug. 08, 2006
Applicants:
Melanie Klasen-memmer, Heuchhelheim, DE;
Matthias Bremer, Darmstadt, DE;
Barbara Hornung, Hasselroth, DE;
Wolfgang Schmidt, Dreieich, DE;
Rainer Wingen, Hofheim, DE;
Inventors:
Melanie Klasen-Memmer, Heuchhelheim, DE;
Matthias Bremer, Darmstadt, DE;
Barbara Hornung, Hasselroth, DE;
Wolfgang Schmidt, Dreieich, DE;
Rainer Wingen, Hofheim, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/34 (2006.01); C09K 19/32 (2006.01); C09K 19/30 (2006.01); C09K 19/12 (2006.01); C09K 19/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid-crystalline medium based on a mixture of polar compounds having at least one compound of the formula I in which R, Rand have the meanings indicated in claim, is described. Also described is the use thereof for an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect.