Patent · US Expired

Liquid crystalline compound, liquid crystal composition and their polymers

US7070838B2 · kind B2 · utility

10Cited by
4References
57Claims
0Family size

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Inventors

Key dates

Filing dateJun 23, 2004
Grant dateJul 4, 2006
Priority date
Expiry dateDec 30, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/06
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides a compound represented by formula (1) defined in the specification and a liquid crystal composition comprising the compound. The invention further provides a polymer obtained by polymerization of compound or composition above, and further the present invention provides a film, an optical anisotropic material, A ¼ or ½ wavelength functional plate, an optical compensation element, an optical element and a liquid crystal display element employing the polymer.

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