US PATENT SUBCLASS 430 / 480
.~.~.~ Heterocyclic developer

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  DF  .~.~ Plural developer agents containing {3}
480.~.~.~ Heterocyclic developer {1}
481  DF  .~.~.~.~> And hydroquinone

DEFINITION

Classification: 430/480

Heterocyclic developer:

(under subclass 478) Compositions wherein at least one developer contains a ring structure having diverse types of atoms.

SEE OR SEARCH THIS CLASS, SUBCLASS:

440, for process of using an identified heterocyclic.

446, for developer having a heterocyclic compound as a part thereof.