US PATENT SUBCLASS 544 / 12
.~.~.~.~.~.~.~.~.~ 1,2,4-benzothiadiazines

Current as of: June, 1999
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544 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, subclass 1) {1}
*  DD  .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1) {1}
1  DF  .~.~ Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) {6}
3  DF  .~.~.~ Six-membered hetero ring consists of oxygen, sulfur, nitrogen and carbon (e.g., oxathiazines, etc.) {7}
7  DF  .~.~.~.~ Plural nitrogens in the six-membered hetero ring (e.g., thiatriazines, etc.) {1}
8  DF  .~.~.~.~.~ Thiadiazines {1}
9  DF  .~.~.~.~.~.~ Polycyclo ring system having the thiadiazine ring as one of the cyclos {1}
10  DF  .~.~.~.~.~.~.~ Bicyclo ring system having the thiadiazine ring as one of the cyclos {1}
11  DF  .~.~.~.~.~.~.~.~ Benzothiadiazines {1}
12.~.~.~.~.~.~.~.~.~ 1,2,4-benzothiadiazines {1}
13  DF  .~.~.~.~.~.~.~>.~.~.~ Sulfamyl or substituted sulfamyl containing

DEFINITION

Classification: 544/12

(under subclass 11) Compounds wherein the sulfur atom is in the 1-position and the nitrogen atoms are in the 2- and 4-positions of the six-membered hetero ring.

(1) Note. An example of a structure provided for herein is: [figure]