US PATENT SUBCLASS 349 / 175
.~ Within cholesteric phase

Current as of: June, 1999
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349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

167  DF  WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL {6}
175.~ Within cholesteric phase {1}
176  DF  .~.~> Using reflection characteristic

DEFINITION

Classification: 349/175

Within cholesteric phase:

(under subclass 167) Subject matter wherein the characteristic recited is that of a liquid crystal within the cholesteric mesophase.

(1) Note. An example is the pitch of the cholesteric material.