US PATENT SUBCLASS 423 / 369
.~.~.~ And hydrogen containing

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}
368  DF  .~.~ Cyanamide radical containing {2}
369.~.~.~ And hydrogen containing

DEFINITION

Classification: 423/369

(under subclass 368) Products or processes wherein the compound contains hydrogen and is usually named cyanamide, but may also be called cyanogenamide or carbodiimide, and has the formula HN:CNH (H2CH2) or N:CNH2 (H2NCH).

SEE OR SEARCH THIS CLASS, SUBCLASS:

368, for processes of separating, purifying or manufacturing the cyanamide salt or a metal or the ammonium radical.