US PATENT SUBCLASS 570 / 262
.~.~ Purification or recovery

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}
262.~.~ Purification or recovery {1}
263  DF  .~.~.~> Liquid-liquid extraction

DEFINITION

Classification: 570/262

Purification or recovery:

(under subclass 101) Process wherein a halogen containing compound is separated from a mixture or in which impurities are separated from said compound.