US PATENT SUBCLASS 430 / 571
.~.~.~ Mixed grain

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}
571.~.~.~ Mixed grain

DEFINITION

Classification: 430/571

Mixed grain:

(under subclass 570) Subject matter which includes a mixture of at least two groups of optically sensitized silver compound particles, which groups each have different spectral sensitivity.