US PATENT SUBCLASS 514 / 542
.~.~.~.~.~.~ Z radical contains two or more nitrogen atoms at least one of which forms a C(=X)N group (X is chalcogen)

Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
506  DF  .~ Ester DOAI {10}
529  DF  .~.~ Z-C(=O)-O-Y wherein Z is hydrogen or an organic radical bonded to the C(=O) by a carbon and Y is an organic radical bonded to the oxygen by a carbon {4}
532  DF  .~.~.~ Z-C(=O)-O-Y, wherein Z contains a benzene ring {5}
534  DF  .~.~.~.~ Z or Y radical contains a nitrogen atom {2}
538  DF  .~.~.~.~.~ Nitrogen bonded to carbon in Z moiety {4}
542.~.~.~.~.~.~ Z radical contains two or more nitrogen atoms at least one of which forms a C(=X)N group (X is chalcogen)

DEFINITION

Classification: 514/542

Z radical contains two or more nitrogen atoms at least one of which forms a C(=X)N group (X is chalcogen):

(under subclass 538) Subject matter wherein the Z radical contains two or more nitrogen atoms, at least one of which is present in the form a C(=X)-N group, wherein X is chalcogen.

(1) Note. This subclass contains, for example: [figure] [caption], etc.