US PATENT SUBCLASS 430 / 551
.~.~.~.~ And antifoggant or color stabilizer

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

495.1  DF  RADIATION SENSITIVE PRODUCT {7}
541  DF  .~ Identified radiation sensitive composition with color producing substance {1}
542  DF  .~.~ Silver compound sensitizer {2}
543  DF  .~.~.~ Coupler containing {12}
551.~.~.~.~ And antifoggant or color stabilizer

DEFINITION

Classification: 430/551

And antifoggant or color stabilizer:

(under subclass 543) Compositions containing an ingredient or a treatment is applied to same to stabilize the silver compound against fog or to stabilize the dye image against color fog, fading, stain, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

372, for process of stabilizing dye images.