Patent · US Expired

Antiferroelectric liquid crystal compound and liquid crystal composition containing the same

US5346648A · kind A · utility

0Cited by
1References
7Claims
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Assignee

Inventors

Key dates

Filing dateSep 29, 1993
Grant dateSep 13, 1994
Priority date
Expiry dateSep 29, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/322
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An antiferroelectric liquid crystal compound represented by the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are each independently selected from the group consisting of alkyl groups having from 3 to 18 carbon atoms, Rf is a lower alkyl group or a fluorinated lower alkyl group, (A) and (B) are each independently selected from the group consisting of 1,4-phenylene, 4,4'-biphenylene, and 2,6-naphthalene which may be substituted at least with a halogen atom, and * shows an asymmetric carbon atom.

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