US PATENT SUBCLASS 570 / 220
.~.~.~.~ Dehalogenation or dehydrohalogenation with halogenation in separate zones


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}
219  DF  .~.~.~ Plural diverse reactions in separate zones {2}
220.~.~.~.~ Dehalogenation or dehydrohalogenation with halogenation in separate zones {2}
221  DF  .~.~.~.~.~> Acetylene reactant
222  DF  .~.~.~.~.~> Including oxyhalogenation or oxidation with elemental oxygen


DEFINITION

Classification: 570/220

Dehalogenation or dehydrohalogenation with halogenation in separate zones:

(under subclass 219) Process wherein one step removes an atom of halogen or hydrogen and halogen, and another step introduces an atom of halogen.

(1) Note. These steps may take place in any order.