Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...
Reexamination Certificate
2006-07-11
2006-07-11
Wu, Shean C. (Department: 1756)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
C252S299610, C252S299630, C252S299640, C252S299650, C252S299660, C549S369000, C549S372000, C560S065000, C560S083000, C570S129000, C570S131000
Reexamination Certificate
active
07074462
ABSTRACT:
The invention relates to compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula Iin whichR, A1, A2, Z1, Y, Z, L1, L2and m are as defined herein.
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Bremer Matthias
Götz Achim
Heckmeier Michael
Krause Joachim
Pauluth Detlef
Merck Patent GmbH
Millen White Zelano & Branigan P.C.
Wu Shean C.
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