US PATENT SUBCLASS 514 / 440
.~.~.~.~.~ Only two ring sulfurs in the 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}
183  DF  .~ Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI {16}
430  DF  .~.~ Sulfur containing hetero ring {3}
438  DF  .~.~.~ The hetero ring is five-membered {7}
439  DF  .~.~.~.~ Plural hetero atoms in the hetero ring {1}
440.~.~.~.~.~ Only two ring sulfurs in the hetero ring {2}
441  DF  .~.~.~.~.~.~> Chalcogen bonded directly to ring carbon of the hetero ring
442  DF  .~.~.~.~.~.~> Nitrogen bonded directly to the hetero ring by nonionic bonding


DEFINITION

Classification: 514/440

Only two ring sulfurs in the hetero ring:

(under subclass 439) Subject matter wherein the hetero ring contains exactly two ring sulfurs as the only hetero atoms present.