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:
Apr. 25, 2006
Filed:
Jul. 02, 2004
Applicants:
Michael Heckmeier, Bensheim, DE;
Brigitte Schuler, Haibach, DE;
Kazuaki Tarumi, Seeheim, DE;
Peer Kirsch, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Inventors:
Michael Heckmeier, Bensheim, DE;
Brigitte Schuler, Haibach, DE;
Kazuaki Tarumi, Seeheim, DE;
Peer Kirsch, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/30 (2006.01); C09K 19/34 (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 of positive dielectric anisotropy, which medium exhibits a birefringence value of ≦0.065 and includes one or more compounds of formula Iaand at least one compound of the formula Xc or Xd:in which R, alkyl, alkenyl and alkenyl* are as defined in claim 1.