US PATENT SUBCLASS 570 / 153
.~.~.~ Preparing 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}
123  DF  .~.~ Fluorine containing {21}
153.~.~.~ Preparing unsaturated compound {4}
154  DF  .~.~.~.~> From acetylenically unsaturated compound
155  DF  .~.~.~.~> By dehalogenation or dehydrohalogenation of adjacent carbon atoms in a compound {1}
159  DF  .~.~.~.~> From methane or halomethane
160  DF  .~.~.~.~> Substituting fluorine for a different halogen

DEFINITION

Classification: 570/153

Preparing unsaturated compound:

(under subclass 123) Process wherein a compound containing carbon to carbon unsaturated is prepared.