US PATENT SUBCLASS 510 / 196
.~.~.~ Exothermic (e.g., containing free metal, such as Al, 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}
195  DF  .~.~ For household drain or sewer pipe {1}
196.~.~.~ Exothermic (e.g., containing free metal, such as Al, etc.)

DEFINITION

Classification: 510/196

Exothermic (e.g., containing free metal, such as Al, etc.):

(under subclass 195) Compositions which generate heat on contact with water.