US PATENT SUBCLASS 203 / 85
.~ Including the addition of water or steam

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

71  DF  PLURAL DISTILLATIONS PERFORMED ON SAME MATERIAL {5}
85.~ Including the addition of water or steam

DEFINITION

Classification: 203/85

(under subclass 71) Processes directed to adding water or steam to at least one distillation operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

43, for a separatory distillation process in which the initial residue is extracted with a liquid.

72, 76, 79, and 83, for other plural distillation processes in which water or steam is added.

95+, for a single distillation process in which water or steam is added.