US PATENT SUBCLASS 430 / 458
.~.~ Dry or concentrated

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}
455  DF  .~ Fixer {4}
458.~.~ Dry or concentrated

DEFINITION

Classification: 430/458

Dry or concentrated:

(under subclass 455) Compositions in a form dry to the touch or in a solution stronger than ordinarily used in processing.