US PATENT SUBCLASS 570 / 239
.~.~.~.~ Including contact with solid agent

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}
216  DF  .~.~ Processes of preparing, purifying, or recovering unsaturated compound {12}
238  DF  .~.~.~ Purification or recovery {1}
239.~.~.~.~ Including contact with solid agent

DEFINITION

Classification: 570/239

Including contact with solid agent:

(under subclass 238) Process wherein the purification or recovery includes a step of contacting with a substance which remains solid throughout the process and which substance effects purification or recovery, e.g., sorption, etc.