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Patent Searching and Data

Document Type and Number:
Japanese Patent JP2003519113
Kind Code:
A compound is of formula (I), in which: A1 to A4, E1 and E2 each independently represent hydrogen or an optionally-substituted hydrocarbon group; B1 and B2 each independently represent a single bond, an oxygen atom or an optionally-substituted hydrocarbon group; MG1 and MG2 each independently represent an optionally-substituted ring system; CG is a divalent or polyvalent chiral group. The optically active compound may be used as a doping agent for liquid crystals for a wide range of applications including solid state cholesteric filters for projection displays, circular polarisers, optical filters, etc.

Cherkawi, Zvea Mohammed
Schmidt, Claus
Application Number:
Publication Date:
June 17, 2003
Filing Date:
December 20, 2000
Export Citation:
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Lorique AG
International Classes:
C07C69/92; C07C69/94; C07D207/12; C07D317/24; C07D317/32; C08F20/20; C09K19/20; C09K19/38; C09K19/54; C09K19/58; G02F1/13; (IPC1-7): C07C69/92; C07D207/12; C07D317/24; C07D317/32; C08F20/20; C09K19/38; C09K19/54; G02F1/13
Attorney, Agent or Firm:
Hajime Tsukuni (2 outside)