Patent · US Expired

Cyanopyridone derivatives as liquid crystals

US7442475B2 · kind B2 · utility

17Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 2004
Grant dateOct 28, 2008
Priority date
Expiry dateJan 4, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/02
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to cyanopyridone derivatives, to their use in liquid crystal media, liquid crystal devices, anisotropic polymers, optical, electrooptical, decorative, security, cosmetic, diagnostic, pharmaceutic, electric, electronic, charge transport, semiconductor, optical recording, electroluminescent, photoconductor and electrophotographic applications, and to liquid crystal media, polymers and displays comprising them.

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