US PATENT SUBCLASS 570 / 178
.~.~.~.~ Including distillation

Current as of: June, 1999
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570 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
101  DF  .~ HALOGEN CONTAINING {21}
123  DF  .~.~ Fluorine containing {21}
177  DF  .~.~.~ Purification or recovery {3}
178.~.~.~.~ Including distillation

DEFINITION

Classification: 570/178

Including distillation:

(under subclass 177) Process wherein the purification or recovery includes distillation.

SEE OR SEARCH CLASS

203, Distillation: Processes, Separatory, for a process of distillation, per se; see the definition to that class, particularly section III, B for the lines between Class 203 and this class (570) where combined subject matter is involved.