Organic compounds (class 532, subclass 1) > Halogen containing > Processes of preparing, purifying, or recovering unsaturated compound > Patents

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Class Information
Number: 570/216
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Halogen containing > Processes of preparing, purifying, or recovering unsaturated compound
Description: Process wherein a compound containing carbon to carbon unsaturation is prepared, purified, or recovered.

Sub-classes under this class:

Class Number	Class Name	Patents
570/231	Addition reaction of free halogen or hydrogen halide to carbon to carbon unsaturation	32
570/218	Decreasing the number of carbon atoms in the compound	13
570/230	Dehalogenation or dehydrogenation	37
570/226	Dehydrohalogenation	49
570/234	Elemental halogen reactant	29
570/217	From carbon source other than hydrocarbon, halocarbon, or halohydrocarbon	46
570/237	Increasing the number of carbon atoms in the compound	28
570/236	Isomerization	25
570/235	Metal halide reactant	15
570/224	Oxyhalogenation	61
570/219	Plural diverse reactions in separate zones	19
570/238	Purification or recovery	71

Patents under this class:

1 2

Patent Number	Title Of Patent	Date Issued
4155941	Dechlorination of haloethanes using ethylene	May. 22, 1979
4105702	Method for preparing halogenated alkanes and alkenes	Aug. 8, 1978
4014947	Method of producing vinyl chloride	Mar. 29, 1977
4009178	Brominating and oxidizing agent and method of using same	Feb. 22, 1977