US PATENT SUBCLASS 514 / 224.2
.~.~.~ Polycyclo ring system having the six-membered hetero ring as one of the cyclos (e.g., 1,3- and 1,4- benzothiazines, etc.)

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  DF  .~.~ Hetero ring is six-membered and includes at least nitrogen and sulfur as ring members {4}
224.2.~.~.~ Polycyclo ring system having the six-membered hetero ring as one of the cyclos (e.g., 1,3- and 1,4- benzothiazines, etc.) {2}
224.5  DF  .~.~.~.~> At least three cyclos in the polycyclo ring system {1}
226.5  DF  .~.~.~.~> One of the cyclos is a 1,2-thiazine (e.g.,1,2-benzothiazines, etc.)

DEFINITION

Classification: 514/224.2

Polycyclo ring system having the six-membered hetero ring as one of the cyclos (e.g., 1,3- and 1,4-benzothiazines, etc.):

(under subclass 222.22) Subject matter in which the six-membered hetero ring is one of the cyclos of a polycyclo ring system.

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