US PATENT SUBCLASS 510 / 257
.~.~.~.~ With inorganic fluorine containing component (e.g., HF, etc.)

Current as of: June, 1999
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510 /   HD   CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS

108  DF  CLEANING COMPOSITIONS OR PROCESSES OF PREPARING (E.G., SODIUM BISULFATE COMPONENT, ETC.) {21}
109  DF  .~ For cleaning a specific substrate or removing a specific contaminant (e.g., for smoker's pipe, etc.) {50}
245  DF  .~.~ For bare metal surface (e.g., degreasing composition, etc.) {9}
254  DF  .~.~.~ For use on nonferrous surface (e.g., aluminum, copper, tin plate, etc.) {3}
257.~.~.~.~ With inorganic fluorine containing component (e.g., HF, etc.)

DEFINITION

Classification: 510/257

With inorganic fluorine containing component (e.g., HF, etc.):

(under subclass 254) Compositions which include an inorganic component which contains fluorine.