US PATENT SUBCLASS 208 / 241
.~.~ With free halogen or nonmetal halide containing reagent

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}
241.~.~ With free halogen or nonmetal halide containing reagent

DEFINITION

Classification: 208/241

(under subclass 208) Processes wherein a mineral oil is desulfurized by the use of a free halogen or a halide of a nonmetal.

(1) Note. Boron halides and sulfur halides are examples of reagents employed in processes classified in this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

219+, for desulfurizing processes wherein a halogen acid is employed.