US PATENT SUBCLASS 208 / 201
.~.~.~.~ With subsequent treatment of the sweet oil

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

177  DF  REFINING {23}
189  DF  .~ Sweetening {6}
197  DF  .~.~ With lead compounds {2}
199  DF  .~.~.~ Sodium plumbite {2}
201.~.~.~.~ With subsequent treatment of the sweet oil {1}
202  DF  .~.~.~.~.~> Organic treating agent

DEFINITION

Classification: 208/201

(under subclass 199) Processes wherein the sweetening treatment is combined with a subsequent nonconversion treatment of the sweetened oil.

(1) Note. The subsequent treatment may include the removal of the disulfide sulfur formed during sweetening or some other contaminant from the sweetened oil.