US PATENT SUBCLASS 208 / 36
.~.~.~ With nondewaxing solvent extraction of oil

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

24  DF  PARAFFIN WAX; TREATMENT OR RECOVERY {4}
28  DF  .~ Separation of paraffin from oil (e.g., dewaxing) {4}
33  DF  .~.~ Solvent dewaxing {3}
36.~.~.~ With nondewaxing solvent extraction of oil

DEFINITION

Classification: 208/36

(under subclass 33) Processes combined with a solvent extraction of mineral oil which extraction does not result in a separation of paraffin wax from the oil.

(1) Note. The nondewaxing extraction may be prior to or subsequent to the wax separation by means of a solvent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

311+, for solvent extraction of mineral oil to separate into a plurality of mineral oil fractions.