US PATENT SUBCLASS 203 / 67
.~.~ Halogenated hydrocarbon

Current as of: June, 1999
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203 /   HD   DISTILLATION: PROCESSES, SEPARATORY

50  DF  ADDING MATERIAL TO DISTILLAND EXCEPT WATER OR STEAM PER SE {2}
57  DF  .~ Organic compound {8}
67.~.~ Halogenated hydrocarbon

DEFINITION

Classification: 203/67

(under subclass 57) Processes in which the compound is a halogenated hydrocarbon.

(1) Note. Organic compounds which contain only carbon, hydrogen and halogen are halogenated hydrocarbons.

SEE OR SEARCH CLASS

260, Chemistry of Carbon Compounds,

648+, for compounds which contain halogen bonded to carbon.