Patent · US Expired

Mesomorphic side-chain polymers having high dielectric anisotropy and a method for producing said polymers

US4717757A · kind A · utility

12Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 1987
Grant dateJan 5, 1988
Priority date
Expiry dateMar 23, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/3617
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to a family of sidechain homopolymers of the polyacrylate type derived from 3-fluoro-4-cyanophenol and exhibiting a mesophase of the nematic or smectic-A type. The polymer in accordance with the invention corresponds to the following general chemical formula : ##STR1## where x indicates the degree of polymerization and 4.ltoreq.n.ltoreq.15.

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