Patent · US Expired

Liquid-crystalline medium

US6406761B1 · kind B1 · utility

4Cited by

18References

9Claims

0Family size

Assignee

MERCK PATENT GESELLSCHAFT MIT BESHRANK TER HAFTUNG · DE

Inventors

Kazuaki Tarumi · Seeheim-Jugenheim, DE
Brigitte Schuler · Großostheim, DE
Michael Schwarz · Weiterstadt, DE
Hideo Ichinose · Yokohama, JP
Yasuyoshi Namiki · Yokohama, JP
Akiko Takashima · Soma, JP
Hiroshi Numata · Yokohama, JP

Key dates

Filing date	Jul 26, 2000
Grant date	Jun 18, 2002
Priority date	—
Expiry date	Jul 26, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2323/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I in which R, Y and L1 are as defined in claim 1.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.