US PATENT SUBCLASS 208 / 217
.~.~.~.~ With Group VIII metal or compound

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

177  DF  REFINING {23}
208 R  DF  .~ Sulfur removal (free or combined sulfur) {17}
209  DF  .~.~ With hydrogen {4}
213  DF  .~.~.~ With solid catalyst or absorbent {4}
217.~.~.~.~ With Group VIII metal or compound

DEFINITION

Classification: 208/217

(under subclass 213) Processes wherein the solid catalyst or adsorbent comprises a Group VIII metal (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir or Pt) or compound thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

244, and 295, for other refining processes wherein Group VIII metals or compounds thereof are used.