US PATENT SUBCLASS 430 / 548
.~.~.~.~ Polymeric or bis coupler

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}
548.~.~.~.~ Polymeric or bis coupler

DEFINITION

Classification: 430/548

Polymeric or bis coupler:

(under subclass 543) Compositions wherein the coupler contains two or more coupling moieties, or the coupler is a polymeric compound.

(1) Note. Included herein are bis and polymeric couplers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

381, for process involving exposed compositions of this

subclass.