US PATENT SUBCLASS 430 / 582
.~.~.~.~ Methine linked six-membered heterocyclic rings

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}
570  DF  .~.~ Spectral sensitizing {6}
581  DF  .~.~.~ Cyanine sensitizer {2}
582.~.~.~.~ Methine linked six-membered heterocyclic rings

DEFINITION

Classification: 430/582

Methine linked six-membered heterocyclic rings:

(under subclass 581) Subject matter in which each of the heterocyclic groups of the cyanine compound linked by the acyclic methine chain consists of six atoms.