US PATENT SUBCLASS 203 / 45
.~.~.~ And distilling raffinate phase

Current as of: June, 1999
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203 /   HD   DISTILLATION: PROCESSES, SEPARATORY

39  DF  WITH DISPARATE PHYSICAL SEPARATION {5}
43  DF  .~ Utilizing liquid-liquid extracting of distillation product {1}
44  DF  .~.~ Of distillate {2}
45.~.~.~ And distilling raffinate phase

DEFINITION

Classification: 203/45

(under subclass 44) Processes, directed to distilling the distillate after it has been extracted with a liquid.

(1) Note. The raffinate phase is that part of the distillate which does not dissolve in the extracting liquid during the liquid extraction step.

SEE OR SEARCH THIS CLASS, SUBCLASS:

74+, and 81+, for a plural separatory distillation process in which the initial distillate is distilled.