US PATENT SUBCLASS 514 / 589
.~.~.~ Nitro or nitroso bonded directly to amino nitrogen (e.g., nitramine, nitrosamine, nitro-urea, etc.)

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}
579  DF  .~ Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI {22}
588  DF  .~.~ Ureas (i.e., N-C(=O)-N) {6}
589.~.~.~ Nitro or nitroso bonded directly to amino nitrogen (e.g., nitramine, nitrosamine, nitro-urea, etc.)

DEFINITION

Classification: 514/589

Nitro or nitroso bonded directly to amino nitrogen (e.g., nitramine, nitrosoamine, nitro-urea, etc.):

(under subclass 588) Subject matter containing a nitro or nitroso group bonded directly to an amino nitrogen.