US PATENT SUBCLASS 423 / 376
.~.~.~.~.~ And using catalyst


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}
364  DF  .~ Carbon containing {7}
371  DF  .~.~ Ternary compound {4}
372  DF  .~.~.~ Hydrogen cyanide {4}
375  DF  .~.~.~.~ Employing ammonia as reactant {1}
376.~.~.~.~.~ And using catalyst


DEFINITION

Classification: 423/376

(under subclass 375) Processes wherein a catalyst is used.