US PATENT SUBCLASS 430 / 549
.~.~.~.~ Mixture of couplers

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}
549.~.~.~.~ Mixture of couplers

DEFINITION

Classification: 430/549

Mixture of couplers:

(under subclass 543) Compositions containing plural couplers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

365, for process involving exposed compositions of this subclass.