US PATENT SUBCLASS 430 / 522
.~.~.~ Intercyclic methine or azomethine and cyclic ring 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}
510  DF  .~ Antihalation or filter layer containing {4}
517  DF  .~.~ Organic dye or pigment containing {5}
522.~.~.~ Intercyclic methine or azomethine and cyclic ring containing

DEFINITION

Classification: 430/522

Intercyclic methine or azomethine and cyclic ring

containing:

(under subclass 517) Subject matter wherein the organic dye or pigment contains either the methine, i.e., -HC= or the azomethine, i.e., -N= linkage in a straight chain connecting to a distinct cyclic ring.