US PATENT SUBCLASS 430 / 628
.~.~.~ Protein or other natural colloid or derivative containing

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}
564  DF  .~ Silver compound sensitizer containing {18}
627  DF  .~.~ Resin or synthetic polymer containing {3}
628.~.~.~ Protein or other natural colloid or derivative containing

DEFINITION

Classification: 430/628

Protein or other natural colloid or derivative containing:

(under subclass 627) Subject matter containing a protein or carbohydrate or derivative thereof in addition to the natural or synthetic resin or polymer.

SEE OR SEARCH CLASS

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

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, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.