Patent · US Expired

Liquid crystalline biphenyls

US4053431A · kind A · utility

5Cited by
5References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 1975
Grant dateOct 11, 1977
Priority date
Expiry dateDec 22, 1995

Classification

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

Abstract

Liquid crystalline compounds of the formula ##STR1## wherein R is as hereinafter set forth, WHICH ARE USEFUL AS DIELECTRICS IN ELECTRO-OPTICAL DEVICES, ARE DESCRIBED.

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