Patent · US Expired

Disubstituted ethanes and their use in liquid crystal materials and devices

US4602851A · kind A · utility

29Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 11, 1984
Grant dateJul 29, 1986
Priority date
Expiry dateMay 11, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/321
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disubstituted ethanes having a formula ##STR1## wherein R is alkyl, X is selected from hydrogen, ##STR2## wherein each R.sub.1 is selected from H, alkyl, alkoxy, halo and cyano and each of Q.sub.1, Q.sub.2, Q.sub.3 and Q.sub.4 is independently selected from H and F are useful as components of liquid crystal materials for electro-optical displays and compounds useful in the production of such components.

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