US PATENT SUBCLASS 252 / 299.1
.~ Containing pleochroic dye

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

299.01  DF  LIQUID CRYSTAL COMPOSITIONS {7}
299.1.~ Containing pleochroic dye

DEFINITION

Classification: 252/299.1

Containing pleochroic dye:

(under subclass 299.01) Compositions containing a dye capable of variable absorption of light, e.g., colorless to colored, colorless to fluorescent, etc.