US PATENT SUBCLASS 203 / 53
.~.~ One material is water

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

50  DF  ADDING MATERIAL TO DISTILLAND EXCEPT WATER OR STEAM PER SE {2}
51  DF  .~ At least two materials {3}
53.~.~ One material is water {2}
54  DF  .~.~.~> A second material is aldehyde or ketone
55  DF  .~.~.~> A second material is an alcohol

DEFINITION

Classification: 203/53

(under subclass 51) Processes in which the additional material comprises water or stream and at least one other substance.

(1) Note. For purposes of this and indented subclasses the

plural component mixture added includes a solution, a suspension, or water and at least one other substance added separately to produce a complementary result.