US PATENT SUBCLASS 514 / 87
.~.~.~.~.~ PX- bonded directly to 1,3-diazine at 2- position (X is chalcogen)

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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
75  DF  .~ Phosphorus containing other than solely as part of an inorganic ion in an addition salt DOAI {22}
79  DF  .~.~ Nitrogen containing hetero ring {6}
85  DF  .~.~.~ Hetero ring is six-membered consisting of two nitrogens and four carbons {1}
86  DF  .~.~.~.~ Nitrogen atoms occupy 1 and 3- positions {2}
87.~.~.~.~.~ PX- bonded directly to 1,3-diazine at 2- position (X is chalcogen)

DEFINITION

Classification: 514/87

PX- bonded directly to 1, 3-diazine at 2-position (X is chalcogen):

(under subclass 86) Subject matter in which a PX- is bonded directly to the 1,3-diazine at the 2-position. (X is chalcogen), e.g., [figure] [caption], etc.