US PATENT SUBCLASS 424 / 46
.~.~ Powder or dust containing

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

43  DF  EFFERVESCENT OR PRESSURIZED FLUID CONTAINING {2}
45  DF  .~ Organic pressurized fluid (e.g., freons, etc.) {2}
46.~.~ Powder or dust containing

DEFINITION

Classification: 424/46

(under subclass 45) Compositions in which the organic pressurized fluid serves to propel or project an ingredient which is in the form of a particulate solid; e.g., body powders, tooth powders, talc, silicas, powdered medicines, insecticides, etc.