US PATENT SUBCLASS 252 / 519.53
.~.~.~ With halogen compound

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}
519.53.~.~.~ With halogen compound

DEFINITION

Classification: 252/519.53

With halogen compound:

(under subclass 519.5) Compositions which contain a halogen compound in addition to the zinc compound.