US PATENT SUBCLASS 423 / 408
.~.~.~ Utilizing halogen or sulfur as reactant

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

351  DF  NITROGEN OR COMPOUND THEREOF (EXCEPT AMMONIUM SALT OF NON-NITROGEN ACID) {5}
406  DF  .~ Binary compound {2}
407  DF  .~.~ Hydrazine or hydrazine hydrate {1}
408.~.~.~ Utilizing halogen or sulfur as reactant

DEFINITION

Classification: 423/408

(under subclass 407) Processes which include the use of a reactant containing sulfur or a halogen.