US PATENT SUBCLASS 430 / 387
.~.~.~.~.~ Substituted at coupling position with other than hydrogen

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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  DF  .~.~.~ And coupler {9}
386  DF  .~.~.~.~ Identified magenta dye color {1}
387.~.~.~.~.~ Substituted at coupling position with other than hydrogen

DEFINITION

Classification: 430/387

Substituted at coupling position with other than hydrogen:

(under subclass 386) Processes involving use of couplers containing a group attached to the coupling position which is removed during processing, usually two-equivalent couplers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

555, for radiation sensitive compositions used in this process.