US PATENT SUBCLASS 208 / 267
.~.~.~ With fluid rotation or agitation

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

177  DF  REFINING {23}
265  DF  .~ With acids {4}
266  DF  .~.~ Sulfuric acid {7}
267.~.~.~ With fluid rotation or agitation

DEFINITION

Classification: 208/267

(under subclass 266) Processes involving mixing the acid with the mineral oil by some particular procedure of agitating or fluid rotation which is recited other than by name only.