US PATENT SUBCLASS 424 / 673
.~ Elemental fluorine or fluorine compound

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.~ Elemental fluorine or fluorine compound {3}
674  DF  .~.~> Silicofluoride
675  DF  .~.~> Calcium containing
676  DF  .~.~> Sodium containing

DEFINITION

Classification: 424/673

Elemental fluorine or fluorine compound:

(under subclass 600) Compositions which contain fluorine or an inorganic fluoride compound.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52, for a dentifrice or mouthwash which contains fluorine or a fluorine compound.

606, for compositions containing fluorine and phosphorus.

632, for compositions containing copper compounds of chlorine.

650, for compositions containing tin compounds of fluorine.