US PATENT SUBCLASS 510 / 188
.~.~ For hydrocarbon or synthetic resin processing or conveying equipment (e.g., for oil or gas pipeline, fractionating equipment, curable resin fabrication tools, 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}
188.~.~ For hydrocarbon or synthetic resin processing or conveying equipment (e.g., for oil or gas pipeline, fractionating equipment, curable resin fabrication tools, etc.)

DEFINITION

Classification: 510/188

For hydrocarbon or synthetic resin processing or conveying equipment (e.g., for oil or gas pipe line, fractionating equipment, curable resin fabrication tools, etc.):

(under subclass 109) Compositions specialized for cleaning equipment used in processing or conveying gaseous or liquid hydrocarbon materials or synthetic resins.