US PATENT SUBCLASS 514 / 110
.~.~ Phosphorus is part of a ring

Current as of: June, 1999
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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}
110.~.~ Phosphorus is part of a ring {1}
111  DF  .~.~.~> Polycyclo ring system having the phosphorus containing ring as one of the cyclos

DEFINITION

Classification: 514/110

Phosphorus is part of a ring:

(under subclass 75) Subject matter in which the organo-phosphorus compound contains the phosphorus atom as part of a ring, e.g., [figure] [caption], etc.