US PATENT SUBCLASS 514 / 222.2
.~.~ Hetero ring is six-membered and includes at least nitrogen and sulfur as ring members

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}
222.2.~.~ Hetero ring is six-membered and includes at least nitrogen and sulfur as ring members {4}
222.5  DF  .~.~.~> Three or more ring hetero atoms in the six-membered hetero ring {2}
224.2  DF  .~.~.~> Polycyclo ring system having the six-membered hetero ring as one of the cyclos (e.g., 1,3- and 1,4- benzothiazines, etc.) {2}
226.8  DF  .~.~.~> 1,3-Thiazines {1}
227.5  DF  .~.~.~> 1,4-Thiazines {1}

DEFINITION

Classification: 514/222.2

Hetero ring is six-membered and includes at least nitrogen and sulfur as ring members:

(under subclass 183) Subject matter in which the hetero ring contains at least nitrogen and sulfur as ring hetero atoms and is six-membered.

(1) Note. An example of an active ingredient provided for herein is: [figure]