US PATENT SUBCLASS 570 / 216
.~.~ Processes of preparing, purifying, or recovering unsaturated compound


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.~.~ Processes of preparing, purifying, or recovering unsaturated compound {12}
217  DF  .~.~.~> From carbon source other than hydrocarbon, halocarbon, or halohydrocarbon
218  DF  .~.~.~> Decreasing the number of carbon atoms in the compound
219  DF  .~.~.~> Plural diverse reactions in separate zones {2}
224  DF  .~.~.~> Oxyhalogenation {1}
226  DF  .~.~.~> Dehydrohalogenation {2}
230  DF  .~.~.~> Dehalogenation or dehydrogenation
231  DF  .~.~.~> Addition reaction of free halogen or hydrogen halide to carbon to carbon unsaturation {1}
234  DF  .~.~.~> Elemental halogen reactant
235  DF  .~.~.~> Metal halide reactant
236  DF  .~.~.~> Isomerization
237  DF  .~.~.~> Increasing the number of carbon atoms in the compound
238  DF  .~.~.~> Purification or recovery {1}


DEFINITION

Classification: 570/216

Processes of preparing, purifying, or recovering unsaturated compound:

(under subclass 101) Process wherein a compound containing carbon to carbon unsaturation is prepared, purified, or recovered.