US PATENT SUBCLASS 252 / 299.68
.~.~ Including benzene rings bonded through azo, azoxy, or azomethine linkage


Current as of: June, 1999
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252 /   HD   COMPOSITIONS

299.01  DF  LIQUID CRYSTAL COMPOSITIONS {7}
299.6  DF  .~ Containing nonsteryl liquid crystalline compound of specified structure {7}
299.68.~.~ Including benzene rings bonded through azo, azoxy, or azomethine linkage


DEFINITION

Classification: 252/299.68

Including benzene rings bonded through azo, azoxy, or azomethine linkage:

(under subclass 299.6) Compositions wherein the liquid crystal compound is a ring substituted derivative of the structure illustrated below, wherein X is -CH=N-, -N=N, or -NO-N-. [figure]