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.:

US 7297379 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 20, 2007

Filed:

May. 12, 2005
Applicants:

Wolfgang Schmidt, Dreieich, DE;

Rainer Wingen, Hofheim, DE;

Barbara Hornung, Hasselroth, DE;

Inventors:

Wolfgang Schmidt, Dreieich, DE;

Rainer Wingen, Hofheim, DE;

Barbara Hornung, Hasselroth, DE;

Assignee:

Merck Patent GmbH, Darmstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/32 (2006.01); C07C 23/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

A compound of the formula (I) is described where Rand Rare defined in the specification and p=q=r=or 1 with p+q+r≠. The compound of formula (I) has high dielectric anisotropy, thermally stable, fast response time and high voltage holding ratio, which is used as a liquid crystal medium for the liquid-crystal displays such as ECB, in-plane-switching (IPS) and VA display mode.


Find Patent Forward Citations

Schmidt, Wolfgang. (2007). Polyfluorinated fused aromatics and their use in liquid-crystal mixtures (U.S. Patent No. 7297379). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7297379

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…