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


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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.