Patent · US Expired

Ferroelectric pyridine compound and liquid crystal composition

US4784792A · kind A · utility

16Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 1986
Grant dateNov 15, 1988
Priority date
Expiry dateDec 16, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/3444
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A ferroelectric pyridine compound suitable as a liquid crystal for display mode utilizing ferroelectric properties and exhibiting SC* phase at a temperature somewhat higher than room temperature and a liquid crystal composition are provided, which compound is expressed by the formula ##STR1## wherein n represents an integer of 0 to 8, R.sub.1 represents an alkyl group of 2 to 18 carbon atoms, R.sub.2 represents an alkyl group of 1 to 18 carbon atoms and the symbol * indicates that C having the symbol attached thereon is an optically active carbon atom.

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