US PATENT SUBCLASS 208 / 243
.~.~ With Group VI 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}
243.~.~ With Group VI metal or compound

DEFINITION

Classification: 208/243

(under subclass 208) Processes wherein mineral oil is desulfurized by use of a Group VI metal (Cr, Mo, W or Po) or compound thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

216, for hydrodesulfurization processes wherein a Group VI

metal or compound thereof is used.

295, for other processes of refining using Group VI metal compounds.