US PATENT SUBCLASS 349 / 164
.~.~.~ Fluorescent additive

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

56  DF  PARTICULAR STRUCTURE {7}
84  DF  .~ Having significant detail of cell structure only {17}
163  DF  .~.~ Nonchiral additive in the liquid crystal material {3}
164.~.~.~ Fluorescent additive

DEFINITION

Classification: 349/164

Fluorescent additive:

(under subclass 163) Subject matter wherein the liquid crystal is mixed with a substance which fluoresces.