US PATENT SUBCLASS 423 / 379
.~.~.~ Utilizing hydrogen cyanide 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}
364  DF  .~ Carbon containing {7}
371  DF  .~.~ Ternary compound {4}
379.~.~.~ Utilizing hydrogen cyanide as reactant

DEFINITION

Classification: 423/379

(under subclass 371) Processes which include the use of hydrogen cyanide (HCH) in a reaction.