US PATENT SUBCLASS 430 / 539
.~.~ Gelatin other than radiation sensitive type


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}
523  DF  .~ Identified backing or protective layer containing {5}
539.~.~ Gelatin other than radiation sensitive type


DEFINITION

Classification: 430/539

Gelatin other than radiation sensitive type:

(under subclass 523) Subject matter containing a backing or protective layer which is not radiation sensitive.

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.