US PATENT SUBCLASS 203 / 96
.~ To distillation column


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

95  DF  INCLUDING ADDITION OF WATER OR STEAM {2}
96.~ To distillation column


DEFINITION

Classification: 203/96

(under subclass 95) Processes in which the water or steam is added to the distillation column.