US PATENT SUBCLASS 252 / 519.54
.~.~.~ Silicon containing or with compound of bismuth or silicon

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

500  DF  ELECTRICALLY CONDUCTIVE OR EMISSIVE COMPOSITIONS {6}
518.1  DF  .~ Metal compound containing {16}
519.5  DF  .~.~ Zinc compound {4}
519.54.~.~.~ Silicon containing or with compound of bismuth or silicon

DEFINITION

Classification: 252/519.54

Silicon containing or with compound of bismuth or silicon:

(under subclass 519.5) Compositions wherein the zinc compound has at least one silicon atom therein or wherein a bismuth or silicon compound is present in addition to the zinc compound.