US PATENT SUBCLASS 208 / 204
.~.~.~ With added oxygen containing organic compound

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

177  DF  REFINING {23}
189  DF  .~ Sweetening {6}
203  DF  .~.~ With alkali metal hydroxide or carbonate {2}
204.~.~.~ With added oxygen containing organic compound {1}
205  DF  .~.~.~.~> Acyclic alcohol

DEFINITION

Classification: 208/204

(under subclass 203) Processes wherein an added oxygen containing organic compound is employed in addition to the alkali metal hydroxide or carbonate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

231, for processes of removing of sulfur employing an alkali metal compound and an oxygen containing organic compound.