Patent · US Expired

Optically active compound, liquid crystal composition containing said compound, and liquid crystal optical modulator using said composition

US5167863A · kind A · utility

5Cited by
1References
13Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 16, 1990
Grant dateDec 1, 1992
Priority date
Expiry dateJul 16, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/2021
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There are disclosed an optically active compound represented by the general formula: ##STR1## wherein n, R.sub.1, R.sub.2, R.sub.3, R.sub.4, Q.sub.1, Q.sub.2, Q.sub.3, and M are defined as in the detailed explanation, and *-marked carbon atoms are each an asymmetric carbon atom; a liquid crystal composition comprising at least one optically active compound of said general formula and a liquid crystal optical modulator using the composition thereof.

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