Patent · US Expired

Liquid crystal esters

US4058478A · kind A · utility

6Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 1975
Grant dateNov 15, 1977
Priority date
Expiry dateAug 20, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2019/2035
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Liquid crystal substances or compounds of the formula ##STR1## wherein R is as hereinafter set forth, AS WELL AS COMPOSITIONS AND ELECTRO-OPTICAL APPARATUSES CONTAINING THEM ARE DESCRIBED.

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