US PATENT SUBCLASS 134 / 22.14
.~.~.~ With organic treating agent (e.g., solvent, surfactant, or reactant yielding soluble product, etc.)

Current as of: June, 1999
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134 /   HD   CLEANING AND LIQUID CONTACT WITH SOLIDS

*  DD  PROCESSES {23}
22.1  DF  .~ Hollow work, internal surface treatment {7}
22.11  DF  .~.~ Pipe, tubing, hose, or conduit {4}
22.14.~.~.~ With organic treating agent (e.g., solvent, surfactant, or reactant yielding soluble product, etc.)

DEFINITION

Classification: 134/22.14

With organic treating agent (e.g., solvent, surfactant, or reactant yielding soluble product, etc.):

(under subclass 22.11) Subject matter wherein the fluid treating agent is an organic substance.

(1) Note. The organic substance may be, e.g., a solvent for the substance to be removed from the work, a surface active material, or a substance which chemically reacts with the substance to be removed from the work to form a material which is soluble in a later treating step, etc.