US PATENT SUBCLASS 430 / 531
.~.~ Synthetic resin or cellulose 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}
523  DF  .~ Identified backing or protective layer containing {5}
531.~.~ Synthetic resin or cellulose derivative containing {3}
532  DF  .~.~.~> Subjected to radiation, flame, or corona discharge
533  DF  .~.~.~> Polyester or polycarbonate {1}
536  DF  .~.~.~> Polymer of unsaturated monomer {1}

DEFINITION

Classification: 430/531

Synthetic resin or cellulose derivative containing:

(under subclass 523) Subject matter wherein the protective or backing layer contains a synthetic relatively high molecular weight film forming resin or a derivative of cellulose.