US PATENT SUBCLASS 423 / 236
.~.~ Component also contains carbon (e.g., cyanogen, hydrogen cyanide, etc.)

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

210  DF  MODIFYING OR REMOVING COMPONENT OF NORMALLY GASEOUS MIXTURE {11}
235  DF  .~ Nitrogen or nitrogenous component {3}
236.~.~ Component also contains carbon (e.g., cyanogen, hydrogen cyanide, etc.)

DEFINITION

Classification: 423/236

(under subclass 235) Processes in which the component is a compound containing nitrogen and carbon atoms.

(1) Note. Examples of such carbon containing nitrogen compounds are cyanogen chloride or hydrocyanic acid.