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:
Sep. 29, 2009
Filed:
Oct. 03, 2007
Applicants:
Michael Wittek, Darmstadt, DE;
Elvira Montenegro, Weinheim, DE;
Konstantin Schneider, Bad Camberg, DE;
Brigitte Schuler, Grossostheim, DE;
Inventors:
Michael Wittek, Darmstadt, DE;
Elvira Montenegro, Weinheim, DE;
Konstantin Schneider, Bad Camberg, DE;
Brigitte Schuler, Grossostheim, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/12 (2006.01); C09K 19/30 (2006.01); C09K 19/34 (2006.01); C09K 19/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are a liquid-crystalline medium, which contains a compound of formula I and the use thereof for electro-optical purposes, in particular for TN, TFT, IPS or OCB displays.