US PATENT SUBCLASS 514 / 482
.~.~.~ N-C(=X)-N, N-C(=N)N, N-N, nitrogen directly bonded to oxygen by nonionic bonding or cyano containing

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}
476  DF  .~ N-C(=X)X containing (X is chalcogen) DOAI {3}
478  DF  .~.~ N-C(=X)-X-C containing {6}
482.~.~.~ N-C(=X)-N, N-C(=N)N, N-N, nitrogen directly bonded to oxygen by nonionic bonding or cyano containing

DEFINITION

Classification: 514/482

N-C(=X)-N, N-C (=N)N, N-N, nitrogen directly bonded to oxygen by nonionic bonding or cyano containing:

(under subclass 478) Subject matter which contains the grouping NN (e.g., ureido);NN, (e.g., guanido); N-N (e.g., hydrazo, etc.), cyano or a nitrogen bonded directly to oxygen by nonionic bonding.

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