US PATENT SUBCLASS 510 / 162
.~.~ For semipermeable membrane or ion-exchange resin or equipment

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}
162.~.~ For semipermeable membrane or ion-exchange resin or equipment

DEFINITION

Classification: 510/162

For semipermeable membrane or ion-exchange resin or equipment:

(under subclass 109) Compositions specialized for cleaning semipermeable membranes, ion-exchange resins, or equipment used in conjunction therewith.