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. 01, 2012
Filed:
Jul. 17, 2007
Applicants:
Melanie Klasen-memmer, Heuchelheim, DE;
Georg Bernatz, Darmstadt, DE;
Izumi Saito, Darmstadt, DE;
Matthias Bremer, Darmstadt, DE;
Lars Lietzau, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Inventors:
Melanie Klasen-Memmer, Heuchelheim, DE;
Georg Bernatz, Darmstadt, DE;
Izumi Saito, Darmstadt, DE;
Matthias Bremer, Darmstadt, DE;
Lars Lietzau, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); C09K 19/06 (2006.01); C09K 19/32 (2006.01); C09K 19/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a liquid-crystalline medium based on a mixture of dielectrically negative, polar compounds which comprises at least one compound of the formula I