US PATENT SUBCLASS 430 / 546
.~.~.~.~ And solvent or emulsifier or coating aid

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}
546.~.~.~.~ And solvent or emulsifier or coating aid

DEFINITION

Classification: 430/546

And solvent or emulsifier or coating aid:

(under subclass 543) Compositions containing a dissolving or emulsifying agent or coating aid.

(1) Note. Included herein are solvents or emulsifiers which are used as an aid in dispersing couplers in the composition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

377, for process involving the exposed compositions of this subclass.

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

9+, for continuous liquid phase colloid systems (e.g., foams, emulsions, suspensions, dispersions) or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.