US PATENT SUBCLASS 514 / 417
.~.~.~.~.~.~.~.~ Plural chalcogens bonded directly to ring carbons of the five-membered hetero ring (e.g., phthalimide, 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}
359  DF  .~.~ Five-membered hetero ring containing at least one nitrogen ring atom (e.g., 1,2,3-triazoles, etc.) {11}
408  DF  .~.~.~ The five-membered hetero ring consists of one nitrogen and four carbons {9}
410  DF  .~.~.~.~ Polycyclo ring system having the five-membered hetero ring as one of the cyclos {2}
412  DF  .~.~.~.~.~ Bicyclo ring system having the five-membered hetero ring as one of the cyclos {4}
415  DF  .~.~.~.~.~.~ The bicyclo ring system consists of the five-membered hetero ring and a benzene ring (e.g., indole, etc.) {3}
416  DF  .~.~.~.~.~.~.~ The ring nitrogen is bonded directly to nonshared ring carbons of the five-membered hetero ring (e.g., isoindole, etc.) {1}
417.~.~.~.~.~.~.~.~ Plural chalcogens bonded directly to ring carbons of the five-membered hetero ring (e.g., phthalimide, etc.)

DEFINITION

Classification: 514/417

Plural chalcogens bonded directly to ring carbons of the five-membered hetero ring (e.g., phthalimide, etc.):

(under subclass 416) Subject matter wherein at least two chalcogens are bonded directly to ring carbons of the five-membered hetero ring, e.g., phthalimide, etc.