US PATENT SUBCLASS 534 / 721
.~.~.~.~.~ Nitrogen bonded directly to the -C(=X)- group (e.g., carboxamide, etc.)


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534 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
573  DF  .~ Azo {51}
692  DF  .~.~ Heavy metal or aluminum containing {7}
713  DF  .~.~.~ Benzene ring containing {6}
720  DF  .~.~.~.~ Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.) {1}
721.~.~.~.~.~ Nitrogen bonded directly to the -C(=X)- group (e.g., carboxamide, etc.)


DEFINITION

Classification: 534/721

(under subclass 720) Compounds wherein nitrogen is bonded directly to the -- group; i.e., --N.

(1) Note. An example of a compound provided for herein is: [figure]