US PATENT SUBCLASS 208 / 188
.~.~ With treating agent


Current as of: June, 1999
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208 /   HD   MINERAL OILS: PROCESSES AND PRODUCTS

177  DF  REFINING {23}
187  DF  .~ Water removal (dehydration) {1}
188.~.~ With treating agent


DEFINITION

Classification: 208/188

(under subclass 187) Processes wherein a material is added to facilitate the removal of the water or resolution of the mineral oil-water system.

SEE OR SEARCH CLASS

252, Compositions,

194, for water-bindive compositions, per se.

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

113+, for compositions for or subcombination compositions for or breaking of or inhibiting of colloid systems (e.g., foam breaking, emulsion breaking, dispersion inhibiting, suspension settling, gel breaking, smoke suppressing, coagulating, flocculating), when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art. Combinations of emulsion breaking and a treatment of the mineral oil provided for in

Class 208 are classified in Class 208.