Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...
Reexamination Certificate
2007-05-22
2007-05-22
Wu, Shean C. (Department: 1756)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
C252S299630, C252S299660, C252S299670
Reexamination Certificate
active
10777203
ABSTRACT:
A nematic liquid-crystal mixture contains a compound of formula Iin which R11and R12are as defined in the specification, and a liquid-crystal displays containing same.
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patent: 6555186 (2003-04-01), Hirschmann et al.
patent: 2003/0186002 (2003-10-01), Heckmeier et al.
patent: 4414647 (1995-11-01), None
Hirschmann Harald
Reiffenrath Volker
Merck Patent Gesellschaft
Millen White Zelano & Branigan P.C.
Wu Shean C.
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