Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...
Reexamination Certificate
2007-11-06
2007-11-06
Wu, Shean C (Department: 1756)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
C252S299610, C252S299630, C252S299660, C549S356000, C549S369000, C549S427000, C549S428000
Reexamination Certificate
active
10536808
ABSTRACT:
The invention relates to liquid-crystalline compounds of the formula (I) in which R1, R2, A1, A2, A3, A4, Z1, Z2, Z3, a, b and c have the meanings indicated in Claim1,and to liquid-crystalline media comprising at least one compound of the (I) and to electro-optical displays containing a liquid-crystalline medium of this type.
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Hahn Alexander
Heckmeier Michael
Hock Christian
Kirsch Peer
Klasen-Memmer Melanie
Merck Patent GmbH
Millen White Zelano & Branigan P.C.
Wu Shean C
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