US PATENT SUBCLASS 423 / 377
.~.~.~.~ Utilizing metal 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}
372  DF  .~.~.~ Hydrogen cyanide {4}
377.~.~.~.~ Utilizing metal cyanide as reactant


DEFINITION

Classification: 423/377

(under subclass 372) Processes including the use of a cyanide of a metal in a reaction.

(1) Note. Solutions and solids which contain undefined "cyanides" and are acidified, thus producing the product, are presumed to be metal cyanides for this subclass.

SEE OR SEARCH CLASS

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

36, for process of sterilizing or disinfecting using cyanide.