US PATENT SUBCLASS 570 / 231
.~.~.~ Addition reaction of free halogen or hydrogen halide to carbon to carbon unsaturation

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}
231.~.~.~ Addition reaction of free halogen or hydrogen halide to carbon to carbon unsaturation {1}
232  DF  .~.~.~.~> To triple bond {1}

DEFINITION

Classification: 570/231

Addition reaction of free halogen or hydrogen halide to carbon to carbon unsaturation:

(under subclass 216) Process wherein two atoms of elemental halogen or a molecule of hydrogen halide is added to carbon to carbon unsaturation, thus decreasing the degree of unsaturation in a compound.

(1) Note. The final product must still contain carbon to carbon unsaturation.