US PATENT SUBCLASS 564 / 14
.~.~.~ Chalcogen and plural nitrogens bonded directly to the same phosphorus


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}
12  DF  .~.~ Phosphorus attached directly to amino nitrogen by nonionic bonding {2}
14.~.~.~ Chalcogen and plural nitrogens bonded directly to the same phosphorus


DEFINITION

Classification: 564/14

(under subclass 12) Compounds wherein at least two amino nitrogens and oxygen or sulfur are bonded to the same phosphorus.

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