Patent · US Expired

"4-(Trans-4'-alkylcyclohexyl) benzoic acid 4'""-cyano-4""-biphenylyl esters"

US4387038A · kind A · utility

14Cited by
10References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 1981
Grant dateJun 7, 1983
Priority date
Expiry dateJun 26, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/44
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Novel compounds, 4-(trans-4'-alkylcyclohexyl)benzoic acid 4"'-cyano-4"-biphenylyl esters expressed by the general formula ##STR1## wherein R represents an alkyl group having 1 to 10 carbon atoms, and liquid crystal compositions comprising at least one of the esters are provided. Liquid crystal compositions containing the compounds have practical superior characteristic properties and also good stability.

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