US PATENT SUBCLASS 564 / 112
.~.~ Nitrosamines (i.e., compounds containing nitroso bonded directly to amino nitrogen)

Current as of: June, 1999
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564 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
112.~.~ Nitrosamines (i.e., compounds containing nitroso bonded directly to amino nitrogen) {1}
113  DF  .~.~.~> Acyclic

DEFINITION

Classification: 564/112

(under subclass 1) Compounds which are nitrosamines, wherein a nitroso group is attached directly to an amino nitrogen.

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