US PATENT SUBCLASS 430 / 473
.~.~.~ Phenol or naphthol coupler

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

449  DF  NONRADIATION SENSITIVE IMAGE PROCESSING COMPOSITIONS OR PROCESS OF MAKING {7}
464  DF  .~ Developer {10}
470  DF  .~.~ Coupler containing {6}
473.~.~.~ Phenol or naphthol coupler

DEFINITION

Classification: 430/473

Phenol or naphthol coupler:

(under subclass 470) Compositions wherein the coupler contains a hydroxyl group on a benzene ring not fused to any other ring or on a benzene ring fused to another single benzene ring.