Patent · US Expired

Liquid crystal compounds and compositions containing same

US4695650A · kind A · utility

31Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 1986
Grant dateSep 22, 1987
Priority date
Expiry dateSep 24, 2006

Classification

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

Abstract

Liquid crystals having the general formula: ##STR1## wherein R is an alkyl group of three to twelve carbon atoms, R' is an alkyl of five to twelve carbon atoms, and X is a chlorine atom or a fluorine atom. Preferred alkyl groups for R' are octyl. The compounds are particularly useful in mixtures with other liquid crystal compounds in which they exhibit synergistic effects.

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