US PATENT SUBCLASS 430 / 600
.~.~.~ Heterocyclic N, O, S, Se, or Te compound containing

Current as of: June, 1999
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430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

495.1  DF  RADIATION SENSITIVE PRODUCT {7}
564  DF  .~ Silver compound sensitizer containing {18}
599  DF  .~.~ Hypersensitizing or latensifying ingredient containing {5}
600.~.~.~ Heterocyclic N, O, S, Se, or Te compound containing

DEFINITION

Classification: 430/600

Heterocyclic N, O, S, Se, or Te compound containing:

(under subclass 599) Subject matter containing a heterocyclic compound containing in a hetero ring at least one atom of N, O, S, Se, or Te.