Patent · US Expired

Liquid crystal esters

US3963311A · kind A · utility

5Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 1975
Grant dateJun 15, 1976
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 ##SPC1## 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.