US PATENT SUBCLASS 514 / 611
.~.~ Nitrosamines (i.e., compounds containing nitroso bonded directly to amino nitrogen)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
611.~.~ Nitrosamines (i.e., compounds containing nitroso bonded directly to amino nitrogen)

DEFINITION

Classification: 514/611

Nitrosamines (i.e., compounds containing nitroso bonded directly to amino nitrogen):

(under subclass 579) Subject matter containing nitrosamines, wherein a nitroso group is attached directly to an amino nitrogen.