US PATENT SUBCLASS 430 / 393
.~.~.~ Silver bleach or bleach-fix

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

357  DF  COLOR IMAGING PROCESS {11}
374  DF  .~ Using identified radiation sensitive composition in the formation of color image {1}
375  DF  .~.~ Silver compound sensitizer {3}
393.~.~.~ Silver bleach or bleach-fix

DEFINITION

Classification: 430/393

Silver bleach or bleach-fix:

(under subclass 375) Processes wherein in the formation of the color image a silver image is bleached or bleached and fixed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

374, where a metal other than silver is bleached or bleached-fixed.

430, for silver bleach or bleach fix process in the formation of achromatic images.

461, for silver bleach compositions.