Chiral compounds 1

Details Chiral compounds 1 Chiral compounds 1

2006-06-13

2006-06-13

Wu, Shean C. (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

Reexamination Certificate

active

07060331

ABSTRACT:
The invention relates to chiral compounds of formula (I) wherein R1, R2, A1, A2, X1, X2, Z3and m have the meaning give in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).

REFERENCES:
patent: 5562858 (1996-10-01), Bartmann et al.
patent: 6780477 (2004-08-01), Kirsch et al.
patent: 19513007 (1995-10-01), None
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patent: 0926120 (1999-06-01), None
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patent: WO 9601246 (1996-01-01), None
English translation by computer for JP 10-109953, http://www4.ipdl.jpo.go.jp/Tokujitu/PAJdetail.ipdl?N0000=60&N0120=01&N2001=2&N3001= H10-109953.
CAPLUS 2001: 318822.
CAPLUS 2003:793621.
Peer Kirsch et al, “Difluorooxymethylene-Bridged Liquid Crystals: A Novel Synthesis Based on the Oxidative Alkoxydifluorodesulfuration of Dithianylium Salts”, Angewandte Chemie, Int. Ed. 2001, 40(8), 1480-1484.
English translation by computer for JP 11-255679, http://www4.ipdl.ncipi.go.jp/Tokujitu/PAJdetail.ipdl?N0000=60&N0120=01&N2001=2&N3001=H11-255679.

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