Patent · US Expired

Liquid-crystalline medium

US6541082B2 · kind B2 · utility

3Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 13, 2001
Grant dateApr 1, 2003
Priority date
Expiry dateJun 14, 2021

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 whichR1 and R2 are as defined herein.

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