US PATENT SUBCLASS 424 / 674
.~.~ Silicofluoride

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

600  DF  INORGANIC ACTIVE INGREDIENT CONTAINING {20}
673  DF  .~ Elemental fluorine or fluorine compound {3}
674.~.~ Silicofluoride

DEFINITION

Classification: 424/674

Silicofluoride:

(under subclass 673) Compositions wherein the inorganic fluoride compound is a reaction product of silica or a silica compound and fluorine or a fluoride compound.