US PATENT SUBCLASS 430 / 561
.~.~.~.~ Azo dye


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}
541  DF  .~ Identified radiation sensitive composition with color producing substance {1}
542  DF  .~.~ Silver compound sensitizer {2}
559  DF  .~.~.~ Dye containing {2}
561.~.~.~.~ Azo dye {2}
562  DF  .~.~.~.~.~> Monoazo
563  DF  .~.~.~.~.~> Diazo


DEFINITION

Classification: 430/561

Azo dye:

(under subclass 559) Compositions containing a preformed azo dye.