US PATENT SUBCLASS 208 / 324
.~.~.~.~ Inorganic

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

308  DF  FRACTIONATION {5}
311  DF  .~ Liquid extraction with solvents {11}
322  DF  .~.~ Organic solvent containing {8}
323  DF  .~.~.~ With added solvent or solvent modifier {1}
324.~.~.~.~ Inorganic

DEFINITION

Classification: 208/324

(under subclass 323) Processes wherein an inorganic compound is employed in addition to the organic component.