US PATENT SUBCLASS 208 / 312
.~.~ With blending of separated fractions with each other or with feed

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

308  DF  FRACTIONATION {5}
311  DF  .~ Liquid extraction with solvents {11}
312.~.~ With blending of separated fractions with each other or with feed

DEFINITION

Classification: 208/312

(under subclass 311) Processes combined with the mixing of an extract mineral oil fraction with another mineral oil.

(1) Note. The mineral oil with which the extract fraction is mixed may be another fraction of the same or different extraction process or an unextracted mineral oil.

SEE OR SEARCH THIS CLASS, SUBCLASS:

14+, for processes of mixing or blending mineral oil fractions not combined with the extraction process.