US PATENT SUBCLASS 430 / 478
.~.~ Plural developer agents containing

Current as of: June, 1999
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430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

449  DF  NONRADIATION SENSITIVE IMAGE PROCESSING COMPOSITIONS OR PROCESS OF MAKING {7}
464  DF  .~ Developer {10}
478.~.~ Plural developer agents containing {3}
479  DF  .~.~.~> Heavy metal organic or inorganic
480  DF  .~.~.~> Heterocyclic developer {1}
482  DF  .~.~.~> Methyl-p-aminophenol and dihydroxy benzene

DEFINITION

Classification: 430/478

Plural developer agents containing:

(under subclass 464) Compositions having multi-ingredients functioning to render the image visible.

SEE OR SEARCH THIS CLASS, SUBCLASS:

436+, for process of using plural developers.