US PATENT SUBCLASS 514 / 309
.~.~.~.~.~.~ Chalcogen attached directly to the six-membered hetero ring by nonionic bonding

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}
277  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbon atoms {11}
279  DF  .~.~.~ Polycyclo ring system having the six-membered hetero ring as one of the cyclos {4}
299  DF  .~.~.~.~ Bicyclo ring system having the six-membered hetero ring as one of the cyclos {6}
307  DF  .~.~.~.~.~ Isoquinolines (including hydrogenated) {3}
309.~.~.~.~.~.~ Chalcogen attached directly to the six-membered hetero ring by nonionic bonding

DEFINITION

Classification: 514/309

Chalcogen attached directly to the six-membered hetero ring by nonionic bonding:

(under subclass 307) Subject matter wherein chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is attached directly to the six-membered hetero ring of the isoquinoline ring system by nonionic bonding.