US PATENT SUBCLASS 430 / 247
.~.~.~ Having identified precipitation nuclei or identified image receiving binder other than nominal gelatin

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

199  DF  TRANSFER PROCEDURE BETWEEN IMAGE AND IMAGE LAYER, IMAGE RECEIVING LAYERS, OR ELEMENT CONTAINING AN IMAGE RECEIVING LAYER OR AN INGREDIENT FOR FORMING AN IMAGE RECEIVING LAYER {3}
202  DF  .~ Diffusion transfer process, element, or identified image receiving layers therefor {8}
244  DF  .~.~ Silver salt transfer process {6}
247.~.~.~ Having identified precipitation nuclei or identified image receiving binder other than nominal gelatin

DEFINITION

Classification: 430/247

Using identified precipitation nuclei or identified image receiving binder other than nominal gelatin:

(under subclass 244) Processes employing an identified ingredient functioning to cause, aid, or increase precipitation of silver, etc., from diffusible salts or diffusible complexes or using an identified binder, other than a broadly defined gelatin, for the image receiving layer.

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); subclasses 98+ for colloid systems of continuous or semicontinuous solid phase with discontinuous liquid phase (gels, pastes, flocs, coagulates) or agents for such systems or making or stabilizing such systems or agents; in each instance, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.