US PATENT SUBCLASS 514 / 95
.~.~ Sulfur containing hetero 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}
95.~.~ Sulfur containing hetero ring {3}
96  DF  .~.~.~> Polycyclo ring system having the hetero ring as one of the cyclos
97  DF  .~.~.~> Two or more sulfurs in the hetero ring
98  DF  .~.~.~> Oxygen in the hetero ring

DEFINITION

Classification: 514/95

Sulfur containing hetero ring:

(under subclass 75) Subject matter in which the organo-phosphorus compound contains a heterocyclic ring which contains at least one sulfur atom as a ring member.