US PATENT SUBCLASS 564 / 15
.~.~ Phosphorus attached indirectly to amino nitrogen by nonionic bonding

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}
15.~.~ Phosphorus attached indirectly to amino nitrogen by nonionic bonding {1}
16  DF  .~.~.~> The phosphorus is a ring member

DEFINITION

Classification: 564/15

(under subclass 1) Compounds which contain phosphorus indirectly attached to amino nitrogen by nonionic bonding.

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