US PATENT SUBCLASS 430 / 376
.~.~.~ And coupler

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}
376.~.~.~ And coupler {9}
377  DF  .~.~.~.~> And binder, coating aid, solvent, emulsifier, hardener, chemical sensitizer, or optical sensitizer
378  DF  .~.~.~.~> Direct positive process {1}
380  DF  .~.~.~.~> And developer other than or in addition to p-phenylenediamine or derivative thereof
381  DF  .~.~.~.~> Polymeric or bis coupler
382  DF  .~.~.~.~> And either developing or dye inhibition
383  DF  .~.~.~.~> Forming multicolor image
384  DF  .~.~.~.~> Identified cyan dye color {1}
386  DF  .~.~.~.~> Identified magenta dye color {1}
388  DF  .~.~.~.~> Identified yellow dye color {1}

DEFINITION

Classification: 430/376

And coupler:

(under subclass 375) Processes including the use of color coupler (which can be located in the composition, element, or processing medium).

(1) Note. Included herein are couplers which produce dyes wherein the color is not named or dyes wherein the color is other than cyan, magenta, or yellow.

SEE OR SEARCH THIS CLASS, SUBCLASS:

402, for achromatic images from couplers.

543, for radiation sensitive compositions used in this process.