US PATENT SUBCLASS 430 / 430
.~ Bleaching

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

401  DF  POST IMAGING PROCESSING {16}
430.~ Bleaching {1}
431  DF  .~.~> Using silver and dye bleach

DEFINITION

Classification: 430/430

Bleaching:

(under subclass 401) Processes involving rendering the imaged radiation sensitive product white or colorless in whole or in part or reduces the density of the same.