US PATENT SUBCLASS 430 / 592
.~.~.~.~ Intercyclic methine chain sensitizer

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}
591  DF  .~.~.~ Two or more separate ring structures {1}
592.~.~.~.~ Intercyclic methine chain sensitizer {3}
593  DF  .~.~.~.~.~> Methine linked hetero ring with hetero group bridged or fused thereto
594  DF  .~.~.~.~.~> One or both methine linked rings carbocyclic
595  DF  .~.~.~.~.~> Odd number of carbons in acyclic methine chain

DEFINITION

Classification: 430/592

Intercyclic methine chain sensitizer:

(under subclass 591) Products in which the two distinct cyclic nuclei are linked by an acyclic carbon chain which contains at least one methine group, e.g., [figure]